Updated bundled gems.
Modified settings.
Added 'enable_extension hstore' to schema.
Add limit options to Messages and Comments.
Modify password encryption.
Modify save_cookies method on MessagesController.
Modify save_cookies method on CommentsController.
Move reply_to method from Entry to Comment.
Refactor shema constraints and Model validations.
Added RSpec and FactoryGirl.
Executed RSpec install.
Added the first rspec test.
Added tests for MessagesController#trees
Added tests for MessagesController#new.
Added tests to MessagesController#create.
Added tests to MessagesController#show.
Added tests to MessagesController#edit.
Refectored tests.
Add tests to MessagesController#update.
Add tests about photos edit to MessagesController.