Changed method for add message
Fixed exception name
Changed theme creation - no need set category
add navigation references
Some refactored tests
Added test some tests for Message model and ForumObject model
Added creation_date field to Theme and Category
Added some test for foreign key and more
Some refactoring tests
Added tests for IndexView
Added tests for CategoryView
Added htmlcov and .ropeproject to gitignore
Added tests __unicode__() method for models
Fixed error in tests
Extract class ForumObjectMetaTest from ForumObjectTest
Changed CategoryCreateViewTest
Extract _add_action_url_to_context method in ForumObjectCreateView and add some tests for ForumObjectCreateView