New File Structure

- Deletes existing structure
- Restructures source tree to be editor agnostic
- Adds 'out' to the list of gitignored folders
- Adds facebook application ID to android manifest
- Adds facebook login activity to the manifest
- Checks if logged in user is linked via Facebook
- Implements login activity for facebook login
- Initializes Facebook SDK on app startup
- Added Facebook SDK as a library
Merge pull request #15 from steffanc/next

Next  branch
Need to do map rendering inside onCreate(), not inside onGooglePlayServicesReady().

The onCreate() calls the superclass, which calls onGooglePlayServicesReady(), which
then tries to do the map drawing.

We need to wait until the superclass' constructor returns before trying to get a map fragment.