Adjusted User application to handle Facebook Log in
Added Facebook SDK in support of Facebook Log in and feature support
Merge branch 'master' of https://github.com/blasv/DineOn into UI_Phase2
Removed Twitter from Login page.  Just sticking with facebook
Now allows white spaces in usernames (Intended for restaurant names).
Started adding further documentation
Added some more documentation
Updated with a new Broadcast receiver to handle non static callbacks
Moved some stuff around DineOnUserActivity
Merge branch 'master' of https://github.com/blasv/DineOn

Conflicts:
	DineOnUserApplication/src/uw/cse/dineon/user/DineOnUserActivity.java
Ehh minor changes
Fixed conflicts
Tied together the ability to check in, Toast pops up showing a Dining
Session started.
Added null check for save in background to have a handler that does
nothing.
Create new user object
Merge pull request #70 from mhotan/master

Added Facebook Loging and remove twitter
Updated user info and user
Merge branch 'master' of https://github.com/blasv/DineOn