Update spec/factories.rb
Fixed blogs_controller.rb
Fixed blogs_controller_spec.rb tests
Fixed pages_controller_spec.rb tests
Fixed admin_controller.rb
Create admin_controller_spec.rb
Add validates link model
Fixed invitations_controller.rb
Fixed comment model
Add validate of email to user model
Add a line
Add a line tot notify_to_service_observer.rb
Create links_controller_spec.rb
Create users_controller_spec.rb
Create blog_spec.rb
Create comment_spec.rb
Create document_spec.rb
Create link_spec.rb
Create observers spec files
Create user_spec.rb