Update application to Rails 4.
Add files left out of last commit
Namespace angular controllers
Remove non-sass css
Set up models and controllers for rest api
Fix table names
Add presenter for photos
Replace angular.js with gem
Add seeds for photos
Remove Carrierwave uploader (overkill)
Add Postgres and Carrierwave to vagrant box
Update schema
Replace hard-coded photo data with angularjs service
Get rid of unnecessary nesting in json response
Add correct name to ng app
Make height consistent for photo grid