Add in basic stathat monitoring.

- Moved stathat to a global var in app
- Updated existing stathat calls
- Added monitoring for alpha create games calls (DS-177)
- Added monitoring for actual game stars (DS-177)
You could if you want, but that data can already be found by looking at the subscriber counts in the Mobile Commons opt-in paths. I think it's alright to leave as is unless a data request for it comes in.