change api to search by username instead of channelid
changed it back
Add pretender and update dependencies
Fix landing page test
Delete obsolete static pages test
Ember is set up to retrieve activites from rails
Add activity controller/serializer

We added a provider column to the activites table to get around the
problem of serializing a model that uses STI.  Not necessarily long
term, but ember and rails are wired correctly and the front end can
receive a json array of activity objects.
Fix permissions for youtube
Urls are dynamically plugged in to activities template
Update youtube_api_worker to use embed urls; fix tests
tracked subscriptions are now(temporarily) pull from all user's subscriptions
Merge pull request #18 from Hilaryous/activity

Activity
Activities index now has soundcloud dynamically loaded
Update activities table to take full soundcloud embed url
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' into ember-youtube
Soundcloud user id now saved in users table

This is how we'll make the external API requests to soundcloud for a
user.
Add soundcloud api worker
Add redis dump to gitignore
Soundcloud activity is created on login