add short (but informative *g*) log message
Merge branch 'fix-gamecenter-clear-scores' into ios-gamecenter-caching

* fix-gamecenter-clear-scores:
  add short (but informative *g*) log message

Conflicts:
	avalon/platform/ios/gamecenter/GameCenterIos.m
Merge branch 'ios-gamecenter-caching' into gamecenter-return-bool-on-show-methods

* ios-gamecenter-caching:
  add short (but informative *g*) log message