Initial commit of files in angularjs+Rails

Reference Sites:
- http://coderberry.me/blog/2013/04/22/angularjs-on-rails-4-part-1/
- https://github.com/angular-app/angular-app/
- http://www.railstips.org/blog/archives/2009/06/27/mongomapper-the-rad-mongo-wrapper/

The files here are all a result of following one or more instructions
from the aforementioned sites. End result should be similar to the first
link in the list