Updated callbacks and added some new ones. Changed names to more
accurately reflect operations
Renamed mRemoteDrupalPacketLsit to mRemoteDrupalPacketCache. Updated
routines accordingly. Finished cleaning up of Caching for CRUD
Finished Delete portion of DataOutHandler. Restructured DataOutHandler
to create verifyable unit tests.
Fixed issues in building dataOutPackets - added floats.
DataOutHandler
	Added call of DrupalUpdateListener on Failure
	Add calls to add/remove delegate to fix issue in Janrain (delegate not
being added 2nd+ time around)
	Added context parameter to logout()
DataOutPacket
	fixed "equals" and compareMaps routines

DrupalUpdateListener
	Added drupalFailure() interface
UserServices
	Changed JSONException to general exception