Updated portal IdentityFactory and FeedFactory along with the view controllers.
Merge pull request #20 from japagley/master

Modified feed page to final design.
Updated FeedFactory and FeedController
Changed the names of zcFeed and zcIdentity
Add comment deletion functionality.
Moved commenting functionality to separate module
Added like and unlike functionality to posts.
Merge pull request #21 from japagley/master

Updated feed page.
Finished load more posts feature and error popups for feed on the client.
Merge pull request #22 from jdpagley/master

Put all the final touches on main feed.
Updated sermon add page for portal