diff --git a/common/config/main.php b/common/config/main.php
index 05f6896..c8adc95 100644
--- a/common/config/main.php
+++ b/common/config/main.php
@@ -26,6 +26,10 @@
                         'class'    => 'yii\i18n\PhpMessageSource',
                         'basePath' => '@artbox/core/messages',
                     ],
+                    'app'  => [
+                        'class'    => 'yii\i18n\PhpMessageSource',
+                        'basePath' => '@common/messages',
+                    ],
                 ],
             ],
             'filedb'       => [
diff --git a/common/images/10_ev0XLXapepq5zp06n3fSDJDRquCsapF0.png b/common/images/10_ev0XLXapepq5zp06n3fSDJDRquCsapF0.png
deleted file mode 100644
index 9fd4d4a..0000000
Binary files a/common/images/10_ev0XLXapepq5zp06n3fSDJDRquCsapF0.png and /dev/null differ
diff --git a/common/images/9_tNFKzJ9WT0XNsvQT4NhS9gZKfFKmIo5y.jpg b/common/images/9_tNFKzJ9WT0XNsvQT4NhS9gZKfFKmIo5y.jpg
deleted file mode 100644
index dca89cc..0000000
Binary files a/common/images/9_tNFKzJ9WT0XNsvQT4NhS9gZKfFKmIo5y.jpg and /dev/null differ
diff --git a/common/messages/en/app.php b/common/messages/en/app.php
new file mode 100755
index 0000000..e3b6834
--- /dev/null
+++ b/common/messages/en/app.php
@@ -0,0 +1,2 @@
+<?php
+    return [];
\ No newline at end of file
diff --git a/common/messages/ru/app.php b/common/messages/ru/app.php
new file mode 100755
index 0000000..e3b6834
--- /dev/null
+++ b/common/messages/ru/app.php
@@ -0,0 +1,2 @@
+<?php
+    return [];
\ No newline at end of file
diff --git a/common/models/LoginForm.php b/common/models/LoginForm.php
deleted file mode 100644
index d6d5d41..0000000
--- a/common/models/LoginForm.php
+++ /dev/null
@@ -1,90 +0,0 @@
-<?php
-    namespace common\models;
-
-    use artbox\core\models\User;
-    use Yii;
-    use yii\base\Model;
-    
-    /**
-     * Login form
-     */
-    class LoginForm extends Model
-    {
-        public $username;
-        public $password;
-        public $rememberMe = true;
-        
-        private $_user;
-        
-        /**
-         * @inheritdoc
-         */
-        public function rules()
-        {
-            return [
-                // username and password are both required
-                [
-                    [
-                        'username',
-                        'password',
-                    ],
-                    'required',
-                ],
-                // rememberMe must be a boolean value
-                [
-                    'rememberMe',
-                    'boolean',
-                ],
-                // password is validated by validatePassword()
-                [
-                    'password',
-                    'validatePassword',
-                ],
-            ];
-        }
-        
-        /**
-         * Validates the password.
-         * This method serves as the inline validation for password.
-         *
-         * @param string $attribute the attribute currently being validated
-         * @param array  $params    the additional name-value pairs given in the rule
-         */
-        public function validatePassword($attribute, $params)
-        {
-            if (!$this->hasErrors()) {
-                $user = $this->getUser();
-                if (!$user || !$user->validatePassword($this->password)) {
-                    $this->addError($attribute, 'Incorrect username or password.');
-                }
-            }
-        }
-        
-        /**
-         * Logs in a user using the provided username and password.
-         *
-         * @return bool whether the user is logged in successfully
-         */
-        public function login()
-        {
-            if ($this->validate()) {
-                return Yii::$app->user->login($this->getUser(), $this->rememberMe ? 3600 * 24 * 30 : 0);
-            } else {
-                return false;
-            }
-        }
-        
-        /**
-         * Finds user by [[username]]
-         *
-         * @return User|null
-         */
-        protected function getUser()
-        {
-            if ($this->_user === null) {
-                $this->_user = User::findByUsername($this->username);
-            }
-            
-            return $this->_user;
-        }
-    }
diff --git a/common/widgets/Alert.php b/common/widgets/Alert.php
deleted file mode 100644
index 69f1c40..0000000
--- a/common/widgets/Alert.php
+++ /dev/null
@@ -1,75 +0,0 @@
-<?php
-namespace common\widgets;
-
-use Yii;
-
-/**
- * Alert widget renders a message from session flash. All flash messages are displayed
- * in the sequence they were assigned using setFlash. You can set message as following:
- *
- * ```php
- * Yii::$app->session->setFlash('error', 'This is the message');
- * Yii::$app->session->setFlash('success', 'This is the message');
- * Yii::$app->session->setFlash('info', 'This is the message');
- * ```
- *
- * Multiple messages could be set as follows:
- *
- * ```php
- * Yii::$app->session->setFlash('error', ['Error 1', 'Error 2']);
- * ```
- *
- * @author Kartik Visweswaran <kartikv2@gmail.com>
- * @author Alexander Makarov <sam@rmcreative.ru>
- */
-class Alert extends \yii\bootstrap\Widget
-{
-    /**
-     * @var array the alert types configuration for the flash messages.
-     * This array is setup as $key => $value, where:
-     * - $key is the name of the session flash variable
-     * - $value is the bootstrap alert type (i.e. danger, success, info, warning)
-     */
-    public $alertTypes = [
-        'error'   => 'alert-danger',
-        'danger'  => 'alert-danger',
-        'success' => 'alert-success',
-        'info'    => 'alert-info',
-        'warning' => 'alert-warning'
-    ];
-    /**
-     * @var array the options for rendering the close button tag.
-     */
-    public $closeButton = [];
-
-
-    public function init()
-    {
-        parent::init();
-
-        $session = Yii::$app->session;
-        $flashes = $session->getAllFlashes();
-        $appendCss = isset($this->options['class']) ? ' ' . $this->options['class'] : '';
-
-        foreach ($flashes as $type => $data) {
-            if (isset($this->alertTypes[$type])) {
-                $data = (array) $data;
-                foreach ($data as $i => $message) {
-                    /* initialize css class for each alert box */
-                    $this->options['class'] = $this->alertTypes[$type] . $appendCss;
-
-                    /* assign unique id to each alert box */
-                    $this->options['id'] = $this->getId() . '-' . $type . '-' . $i;
-
-                    echo \yii\bootstrap\Alert::widget([
-                        'body' => $message,
-                        'closeButton' => $this->closeButton,
-                        'options' => $this->options,
-                    ]);
-                }
-
-                $session->removeFlash($type);
-            }
-        }
-    }
-}
diff --git a/frontend/models/ContactForm.php b/frontend/models/ContactForm.php
deleted file mode 100644
index d0cc9cb..0000000
--- a/frontend/models/ContactForm.php
+++ /dev/null
@@ -1,60 +0,0 @@
-<?php
-
-namespace frontend\models;
-
-use Yii;
-use yii\base\Model;
-
-/**
- * ContactForm is the model behind the contact form.
- */
-class ContactForm extends Model
-{
-    public $name;
-    public $email;
-    public $subject;
-    public $body;
-    public $verifyCode;
-
-
-    /**
-     * @inheritdoc
-     */
-    public function rules()
-    {
-        return [
-            // name, email, subject and body are required
-            [['name', 'email', 'subject', 'body'], 'required'],
-            // email has to be a valid email address
-            ['email', 'email'],
-            // verifyCode needs to be entered correctly
-            ['verifyCode', 'captcha'],
-        ];
-    }
-
-    /**
-     * @inheritdoc
-     */
-    public function attributeLabels()
-    {
-        return [
-            'verifyCode' => 'Verification Code',
-        ];
-    }
-
-    /**
-     * Sends an email to the specified email address using the information collected by this model.
-     *
-     * @param string $email the target email address
-     * @return bool whether the email was sent
-     */
-    public function sendEmail($email)
-    {
-        return Yii::$app->mailer->compose()
-            ->setTo($email)
-            ->setFrom([$this->email => $this->name])
-            ->setSubject($this->subject)
-            ->setTextBody($this->body)
-            ->send();
-    }
-}
diff --git a/frontend/models/PasswordResetRequestForm.php b/frontend/models/PasswordResetRequestForm.php
deleted file mode 100644
index c11aeec..0000000
--- a/frontend/models/PasswordResetRequestForm.php
+++ /dev/null
@@ -1,68 +0,0 @@
-<?php
-namespace frontend\models;
-
-use Yii;
-use yii\base\Model;
-use common\models\User;
-
-/**
- * Password reset request form
- */
-class PasswordResetRequestForm extends Model
-{
-    public $email;
-
-
-    /**
-     * @inheritdoc
-     */
-    public function rules()
-    {
-        return [
-            ['email', 'trim'],
-            ['email', 'required'],
-            ['email', 'email'],
-            ['email', 'exist',
-                'targetClass' => '\common\models\User',
-                'filter' => ['status' => User::STATUS_ACTIVE],
-                'message' => 'There is no user with this email address.'
-            ],
-        ];
-    }
-
-    /**
-     * Sends an email with a link, for resetting the password.
-     *
-     * @return bool whether the email was send
-     */
-    public function sendEmail()
-    {
-        /* @var $user User */
-        $user = User::findOne([
-            'status' => User::STATUS_ACTIVE,
-            'email' => $this->email,
-        ]);
-
-        if (!$user) {
-            return false;
-        }
-        
-        if (!User::isPasswordResetTokenValid($user->password_reset_token)) {
-            $user->generatePasswordResetToken();
-            if (!$user->save()) {
-                return false;
-            }
-        }
-
-        return Yii::$app
-            ->mailer
-            ->compose(
-                ['html' => 'passwordResetToken-html', 'text' => 'passwordResetToken-text'],
-                ['user' => $user]
-            )
-            ->setFrom([Yii::$app->params['supportEmail'] => Yii::$app->name . ' robot'])
-            ->setTo($this->email)
-            ->setSubject('Password reset for ' . Yii::$app->name)
-            ->send();
-    }
-}
diff --git a/frontend/models/ResetPasswordForm.php b/frontend/models/ResetPasswordForm.php
deleted file mode 100644
index fb36dd0..0000000
--- a/frontend/models/ResetPasswordForm.php
+++ /dev/null
@@ -1,64 +0,0 @@
-<?php
-namespace frontend\models;
-
-use yii\base\Model;
-use yii\base\InvalidParamException;
-use common\models\User;
-
-/**
- * Password reset form
- */
-class ResetPasswordForm extends Model
-{
-    public $password;
-
-    /**
-     * @var \common\models\User
-     */
-    private $_user;
-
-
-    /**
-     * Creates a form model given a token.
-     *
-     * @param string $token
-     * @param array $config name-value pairs that will be used to initialize the object properties
-     * @throws \yii\base\InvalidParamException if token is empty or not valid
-     */
-    public function __construct($token, $config = [])
-    {
-        if (empty($token) || !is_string($token)) {
-            throw new InvalidParamException('Password reset token cannot be blank.');
-        }
-        $this->_user = User::findByPasswordResetToken($token);
-        if (!$this->_user) {
-            throw new InvalidParamException('Wrong password reset token.');
-        }
-        parent::__construct($config);
-    }
-
-    /**
-     * @inheritdoc
-     */
-    public function rules()
-    {
-        return [
-            ['password', 'required'],
-            ['password', 'string', 'min' => 6],
-        ];
-    }
-
-    /**
-     * Resets password.
-     *
-     * @return bool if password was reset.
-     */
-    public function resetPassword()
-    {
-        $user = $this->_user;
-        $user->setPassword($this->password);
-        $user->removePasswordResetToken();
-
-        return $user->save(false);
-    }
-}
diff --git a/frontend/models/SignupForm.php b/frontend/models/SignupForm.php
deleted file mode 100644
index 57a51d8..0000000
--- a/frontend/models/SignupForm.php
+++ /dev/null
@@ -1,58 +0,0 @@
-<?php
-namespace frontend\models;
-
-use yii\base\Model;
-use common\models\User;
-
-/**
- * Signup form
- */
-class SignupForm extends Model
-{
-    public $username;
-    public $email;
-    public $password;
-
-
-    /**
-     * @inheritdoc
-     */
-    public function rules()
-    {
-        return [
-            ['username', 'trim'],
-            ['username', 'required'],
-            ['username', 'unique', 'targetClass' => '\common\models\User', 'message' => 'This username has already been taken.'],
-            ['username', 'string', 'min' => 2, 'max' => 255],
-
-            ['email', 'trim'],
-            ['email', 'required'],
-            ['email', 'email'],
-            ['email', 'string', 'max' => 255],
-            ['email', 'unique', 'targetClass' => '\common\models\User', 'message' => 'This email address has already been taken.'],
-
-            ['password', 'required'],
-            ['password', 'string', 'min' => 6],
-        ];
-    }
-
-    /**
-     * Signs user up.
-     *
-     * @return User|null the saved model or null if saving fails
-     */
-    public function signup()
-    {
-        if (!$this->validate()) {
-            return null;
-        }
-        
-        $user = new User();
-        $user->username = $this->username;
-        $user->email = $this->email;
-        $user->setPassword($this->password);
-        $user->generateAuthKey();
-        
-        return $user->save() ? $user : null;
-    }
-}
diff --git a/frontend/views/site/login.php b/frontend/views/site/login.php
deleted file mode 100644
index 56ea98e..0000000
--- a/frontend/views/site/login.php
+++ /dev/null
@@ -1,39 +0,0 @@
-<?php
-
-/* @var $this yii\web\View */
-/* @var $form yii\bootstrap\ActiveForm */
-/* @var $model \common\models\LoginForm */
-
-use yii\helpers\Html;
-use yii\bootstrap\ActiveForm;
-
-$this->title = 'Login';
-$this->params['breadcrumbs'][] = $this->title;
-?>
-<div class="site-login">
-    <h1><?= Html::encode($this->title) ?></h1>
-
-    <p>Please fill out the following fields to login:</p>
-
-    <div class="row">
-        <div class="col-lg-5">
-            <?php $form = ActiveForm::begin(['id' => 'login-form']); ?>
-
-                <?= $form->field($model, 'username')->textInput(['autofocus' => true]) ?>
-
-                <?= $form->field($model, 'password')->passwordInput() ?>
-
-                <?= $form->field($model, 'rememberMe')->checkbox() ?>
-
-                <div style="color:#999;margin:1em 0">
-                    If you forgot your password you can <?= Html::a('reset it', ['site/request-password-reset']) ?>.
-                </div>
-
-                <div class="form-group">
-                    <?= Html::submitButton('Login', ['class' => 'btn btn-primary', 'name' => 'login-button']) ?>
-                </div>
-
-            <?php ActiveForm::end(); ?>
-        </div>
-    </div>
-</div>
diff --git a/frontend/views/site/requestPasswordResetToken.php b/frontend/views/site/requestPasswordResetToken.php
deleted file mode 100644
index 9f6822e..0000000
--- a/frontend/views/site/requestPasswordResetToken.php
+++ /dev/null
@@ -1,31 +0,0 @@
-<?php
-
-/* @var $this yii\web\View */
-/* @var $form yii\bootstrap\ActiveForm */
-/* @var $model \frontend\models\PasswordResetRequestForm */
-
-use yii\helpers\Html;
-use yii\bootstrap\ActiveForm;
-
-$this->title = 'Request password reset';
-$this->params['breadcrumbs'][] = $this->title;
-?>
-<div class="site-request-password-reset">
-    <h1><?= Html::encode($this->title) ?></h1>
-
-    <p>Please fill out your email. A link to reset password will be sent there.</p>
-
-    <div class="row">
-        <div class="col-lg-5">
-            <?php $form = ActiveForm::begin(['id' => 'request-password-reset-form']); ?>
-
-                <?= $form->field($model, 'email')->textInput(['autofocus' => true]) ?>
-
-                <div class="form-group">
-                    <?= Html::submitButton('Send', ['class' => 'btn btn-primary']) ?>
-                </div>
-
-            <?php ActiveForm::end(); ?>
-        </div>
-    </div>
-</div>
diff --git a/frontend/views/site/resetPassword.php b/frontend/views/site/resetPassword.php
deleted file mode 100644
index 36ef452..0000000
--- a/frontend/views/site/resetPassword.php
+++ /dev/null
@@ -1,31 +0,0 @@
-<?php
-
-/* @var $this yii\web\View */
-/* @var $form yii\bootstrap\ActiveForm */
-/* @var $model \frontend\models\ResetPasswordForm */
-
-use yii\helpers\Html;
-use yii\bootstrap\ActiveForm;
-
-$this->title = 'Reset password';
-$this->params['breadcrumbs'][] = $this->title;
-?>
-<div class="site-reset-password">
-    <h1><?= Html::encode($this->title) ?></h1>
-
-    <p>Please choose your new password:</p>
-
-    <div class="row">
-        <div class="col-lg-5">
-            <?php $form = ActiveForm::begin(['id' => 'reset-password-form']); ?>
-
-                <?= $form->field($model, 'password')->passwordInput(['autofocus' => true]) ?>
-
-                <div class="form-group">
-                    <?= Html::submitButton('Save', ['class' => 'btn btn-primary']) ?>
-                </div>
-
-            <?php ActiveForm::end(); ?>
-        </div>
-    </div>
-</div>
diff --git a/frontend/views/site/signup.php b/frontend/views/site/signup.php
deleted file mode 100644
index de9dad6..0000000
--- a/frontend/views/site/signup.php
+++ /dev/null
@@ -1,35 +0,0 @@
-<?php
-
-/* @var $this yii\web\View */
-/* @var $form yii\bootstrap\ActiveForm */
-/* @var $model \frontend\models\SignupForm */
-
-use yii\helpers\Html;
-use yii\bootstrap\ActiveForm;
-
-$this->title = 'Signup';
-$this->params['breadcrumbs'][] = $this->title;
-?>
-<div class="site-signup">
-    <h1><?= Html::encode($this->title) ?></h1>
-
-    <p>Please fill out the following fields to signup:</p>
-
-    <div class="row">
-        <div class="col-lg-5">
-            <?php $form = ActiveForm::begin(['id' => 'form-signup']); ?>
-
-                <?= $form->field($model, 'username')->textInput(['autofocus' => true]) ?>
-
-                <?= $form->field($model, 'email') ?>
-
-                <?= $form->field($model, 'password')->passwordInput() ?>
-
-                <div class="form-group">
-                    <?= Html::submitButton('Signup', ['class' => 'btn btn-primary', 'name' => 'signup-button']) ?>
-                </div>
-
-            <?php ActiveForm::end(); ?>
-        </div>
-    </div>
-</div>
diff --git a/frontend/web/img/7_bMIj6pnE4WCbYj8XV7jYIc3PmtwqBi_F.png b/frontend/web/img/7_bMIj6pnE4WCbYj8XV7jYIc3PmtwqBi_F.png
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--
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