Stage.act() calls requestRendering() if any actions are added or fired (fixes #2228)
Stage#setActionsRequestRendering will animate actions when setContinuousRendering is false.
changed setActionsRequestRendering() to a static method
gdx-pay project files added.
Merge branch 'master' of https://github.com/libgdx/libgdx into iap
Latest libGDX-Pay sources/files.
Initial IAP-code for Google/Android. Needs work...
Merge branch 'master' of https://github.com/libgdx/libgdx into iap
Remove gdx-ai from core repo
IAP/Google Android: documentation update.
Merge branch 'master' of https://github.com/libgdx/libgdx into iap
Update for GdxPay (does not compile!).
Update for offer to allow chaining.
Further updates to IAP/PurchaseManager.
Minor IAP updates/changes (does NOT compile!).
fixed PolygonRegionLoader GWT compatibility and error report

removed call to Class#getSimpleName() for GWT compatibility
throws GdxRuntimeException instead of logging to Gdx.app.error(..)
IAP System: new tests working over OpenIAB :-D
libGDX-Pay: Google/Android project removed: replaced by OpenIAB!
Merge branch 'master' of https://github.com/libgdx/libgdx into iap
GdxPay: renamed iOS -> iosrobovm!