seperate interactions from posts

app/controllers/comments_controller.rb

app/controllers/likes_controller.rb

app/controllers/participations_controller.rb

app/controllers/posts_controller.rb

app/models/post.rb

app/presenters/extreme_post_presenter.rb

app/presenters/last_three_comments_decorator.rb

app/presenters/post_presenter.rb

config/routes.rb

features/post_viewer.feature

lib/federated/generator.rb

spec/controllers/likes_controller_spec.rb

spec/controllers/participations_controller_spec.rb

spec/controllers/posts_controller_spec.rb

spec/javascripts/app/models/post/interacations_spec.js

spec/javascripts/app/models/post_spec.js

spec/javascripts/app/views/comment_stream_view_spec.js

spec/javascripts/app/views/feedback_view_spec.js

spec/javascripts/app/views/likes_info_view_spec.js

spec/javascripts/helpers/factory.js