you can now follow / unfollow a post from the stream; fixed cukes.

app/controllers/participations_controller.rb

app/models/participation.rb

app/models/post.rb

config/locales/javascript/javascript.en.yml

config/routes.rb

features/not_safe_for_work.feature

features/notifications.feature

features/oembed.feature

features/participate_stream.feature

features/step_definitions/stream_steps.rb

features/support/publishing_cuke_helpers.rb

lib/stream/base.rb

public/javascripts/app/collections/participations.js

public/javascripts/app/models/participation.js

public/javascripts/app/models/post.js

public/javascripts/app/templates/feedback.handlebars

public/javascripts/app/views/feedback_view.js

spec/controllers/participations_controller_spec.rb

spec/javascripts/app/models/post_spec.js

spec/javascripts/app/views/post_view_spec.js