Home Page Content Update
Refactoring all apis.
Adding support for 'Basic Mode'.
Bug fixes : Scope exception and repeat content purchase
IllegalArgumentException changed to InsufficientAccessException
Home Page Content Update
Refactoring apis to use AccessTokenType.
Bug fix in OAuth api.
Adding validation annotations api requests.
Merge remote-tracking branch 'origin/master' into api

Conflicts:
	war/WEB-INF/appengine-web.xml
	war/WEB-INF/web.xml