* Deleted table declaration of 'Forum/ForumModeration' and 'Forum/CategoryModeration' from schema.rb
* Replaced most string with a call to I18n
* Added 'is_close' attribute to topics
* The 'Reply' link in the 'Topic' view is now displayed only if the user can comment.
* Fixed forum and category moderations in the 'User' model. It is now possible to directly add and view moderated forums from the user model.
* 'User#can_comment_in_topic?' is now dependent on 'Topic#is_closed?'.
* Added Hebrew translation file.