Core fixes
Core fixes

dsternj/mobiscroll,sumithamith/mobiscroll,j270698236/mobiscroll,arainyu/mobiscroll,jijo-paulose/mobiscroll,fengzhu1131/mobiscroll,linjiancai/mobiscroll,shenjunstar/mobiscroll,shenjunstar/mobiscroll,h15ter/mobiscroll,vasilypvlasov/mobiscroll,SirGaga/mobiscroll,yvek/mobiscroll,sumithamith/mobiscroll,tectronics/mobiscroll,google-code-export/mobiscroll,yvek/mobiscroll,h15ter/mobiscroll,umarmansuri/mobiscroll,jijopaulose/mobiscroll,jijopaulose/mobiscroll,jitendra873/mobiscroll,qq582481386/mobiscroll,dsternj/mobiscroll,google-code-export/mobiscroll,vasilypvlasov/mobiscroll,umarmansuri/mobiscroll,arainyu/mobiscroll,sunriseshow/mobiscroll,sunriseshow/mobiscroll,SirGaga/mobiscroll,jijo-paulose/mobiscroll,fengzhu1131/mobiscroll,j270698236/mobiscroll,jitendra873/mobiscroll,tectronics/mobiscroll,linjiancai/mobiscroll,qq582481386/mobiscroll