Fixed flickering when pointer between buttons, correctly reseting rollover state when window resizes, refactored code a little.
Fixed flickering when pointer between buttons, correctly reseting rollover state when window resizes, refactored code a little.

appden/INAppStoreWindow,cparnot/INAppStoreWindow,xvtom/INAppStoreWindow,indragiek/INAppStoreWindow,xvtom/INAppStoreWindow,sdesimone/INAppStoreWindow,appden/INAppStoreWindow,sdesimone/INAppStoreWindow,indragiek/INAppStoreWindow,cparnot/INAppStoreWindow