adds a fade animation on rotation (as Springboard does)
adds a fade animation on rotation (as Springboard does)

PocketScientists/GMGridView,jianwoo/GMGridView,gmoledina/GMGridView,gank0326/GMGirdView,d191562687/GMGridView,BlessNeo/GMGridView,111minutes/GMGridView-CSFork,D-cocoa/GMGridView,ashfurrow/GMGridView,fhchina/GMGridView,gelosie/GMGridView,Sensis/GMGridView,matej/GMGridView,SuPair/GMGridView,loverly/GMGridView,liulinjian/GMGridView