Update talk/view.php template.
Add Groups module.

Move Group model into it.
Update FrontEndController.

Deny access for guests by default.
Update user/index.php template.
Update controllers in Forums module.
Some code fixes.

Update accessRules() methods.
Move <public.png> to <group.png> and use new <public.png>.
Update navigation in layouts/main.php template.
Update navigation in cabinet/index.php template.
Update topic/edit.php template.
Update UserController.
Update Controller.

Add getWebUser() method.
Update translation paths.
Move a lot of files out of modules and delete few of them.

Moved components in application directory:
- admin/BackEndController.php
- site/ConsoleCommand.php
- site/Controller.php
- site/CPager.php
- users/DatabaseUserIdentity.php
- site/FrontEndController.php
- site/WebModule.php
- users/WebUser.php
- site/Worker.php

Deleted components:
- admin/StaticUserIdentity.php

Moved models in application directory:
- gallery/AlbumPhoto.php
- gallery/Album.php
- forums/Forum.php
- forums/ForumSection.php
- users/Friend.php
- groups/Group.php
- admin/LoginForm.php
- groups/Moderator.php
- users/Notification.php
- users/Profile.php
- users/Reader.php
- talks/TalkMessage.php
- talks/TalkParticipant.php
- talks/Talk.php
- forums/Topic.php
- forums/TopicPost.php
- forums/TopicPostVersion.php
- users/User.php

Deleted models:
- users/Relationship

New models in application directory:
- CPublic.php
- Moderator.php
- Settings.php
- WallPost.php
Merge two Settings models in modules into one Settings model.

Moved console commands in application directory:
- users: UsersCommand

Moved gearman workers in application directory:
- gallery: GalleryWorker

Deleted filters:
- site: SiteClosedFilter.php
- users: LogoutUnnecessaryUsersFilter.php

Delete widget/admin.php in two modules:
- users/views/widget/admin.php
- site/views/widget/admin.php

Modules update:
- Deleted namespaces of modules.
- Deleted protected/config/namespaces.php.
- Change module's base class name from Module to <id>Module.
- Delete admin/meta.xml.
Update gearman/components configuration.
Update main configuration.
Update web/components configuration.
Update database/forums.sql mysql dump.
Update gii model template.
Fix broken bootstrap path in main config file.