Add <readers.png> and <subscriptions.png> icons.
Update Profile.php model.
Update User.php model.
Update FriendsController and its views.

Rename <followers> to <readers>.
Add icons in friends/index.php template.
Update user/index.php template.
Fix infinite redirection in FrontEndController::filterCheckUserName().
Update default/fillName.php template.
Fix avatars in 1 controller and 2 views.

Controller: PhotoController.php
Views: photo/index.php and user/index.php.
Fix GalleryWorker.php gearman worker.