Merge branch 'mark/api_controllers_for_user_feeds' into mark/test_api_controllers_for_user_feeds
Use forked Faker gem with rss_url
Add factory for faking user feeds
Install OAuth2 gem to retrieve OAuth2 access_token
Create default_user factory with a user + dashboard + one root feed_group
Change get_token helper to use OAuth2 Client
Add generic matchers
Add class method for FeedGroup to get root FeedGroup (titled 'root')
Merge branch 'mark/api_controllers_for_user_feeds' into mark/test_api_controllers_for_user_feeds
Spec for API feeds_controller
Cosmetic change
Add machers for FeedsController
Move matchers to a separate folder and do some cosmetic change
Merge branch 'mark/test_api_controllers_for_user_feeds' into mark/api_controllers_for_user_feeds
Remove generic_matchers that was not deleted earlier
Update generic_matchers and doorkeeper_matchers (cosmetic) + use a more relaxed error checking in generic_matcher
Update spec for FeedController
Merge branch 'mark/test_api_controllers_for_user_feeds' into mark/api_controllers_for_user_feeds
Add method to render errors in API helper
Include API helper module in ApiBaseController