added tracking of events that occured right before an IAP
caching VGP after a IAP to ensure they only get submitted once the IAP has been verified
feature master - extreme WIP
cleaned up feature tracking
added configurable thresholds for features
Merge branch 'feature-mastery'
changed base URL back to production
fixed bug regarding feature events not being stored on fresh launches
removed logScreenVisit, added feature mastery related history items to IAP reporting
added stats reporting on session end
holding ad requests/fills reported before launch.php for the subsequent launch.php call, so server doesn't get half-complete stats on ads
added last feature before crash reporting
bumped release version to 1.2