Refactor turnip step code
Embrace feature spec and fuck cucumber
Convert all turnip features to feature specs
Update .travis.yml to run js specs
Pending new topic with youtube video spec
Merge branch 'fuck-turnip'

Conflicts:
	spec/acceptance/notifications/delete_notification.feature
	spec/acceptance/steps/notification_steps.rb
	spec/acceptance/steps/reply_steps.rb
	spec/acceptance/steps/steps.rb
	spec/acceptance/steps/user_steps.rb
	spec/acceptance/users/admin.feature
	spec/acceptance/users/change_avtar.feature
	spec/acceptance/users/sign_in.feature
	spec/acceptance/users/update.feature