Small updates to Facebook. Also addresses #66.
Update to latest SNAPSHOT of RoboVM and plugin
Merge pull request #68 from Tom-Ski/master

Update to latest SNAPSHOT of RoboVM and plugin
Missing extends NSObject.
Revert GAITrackers.
Removed GAIDefaultTracker.
Updated Mopub binding.
Added TapStream binding.
Fixed Flurry typo.
Updated Tapstream binding.