refactored views methods to append and prepend photos
refactored Photosender to be included in Firebase Commuicator
Removed unneeded lines from cameraController. Removed unneeded p statements from PhotosController.
Refactored controller to put view logic into the view. Removed unneeded selectors from View.
Installed rspec, not rpsec.
Merge pull request #19 from pocket-gophers-2014/photo_feed_cleanup

Refactoring Firebase code