Added Facebook API

Work done on "Scrumptious" sample for Meat People
parse first pass
Merge pull request #1 from rosenbergb/facebook

Added Facebook API
Merge branch 'master' of https://github.com/MattSchroer/MeatPeople
working Parse/Facebook login. First pass at backend api
Merge branch 'master' of https://github.com/MattSchroer/MeatPeople

Conflicts:
	AppEngine/AppEngine.iml
	app/build.gradle
	app/src/main/AndroidManifest.xml
	app/src/main/res/values/strings.xml
	facebook/facebook.iml
	settings.gradle