Fixed some issues where maximum scroll values where no recomputed in every required case.
Fixed some issues where maximum scroll values where no recomputed in every required case.

RasmusTG/scroller,stonegithubs/scroller,RasmusTG/scroller,juliangarnier/scroller,vigetlabs/scroller,modulexcite/scroller-1,MartinMoizard/scroller,InstigateMobileCJSC/scroller,pbakaus/scroller,pedroha/scroller,pedroha/scroller,Prinzhorn/scroll-logic,voy/zynga-scroller-es6,zynga/scroller,CarLingo/scroller,mjohnston/scroller,reapp/scroller,u9520107/scroller,MartinMoizard/scroller,InstigateMobileCJSC/scroller,Prinzhorn/scroll-logic,modulexcite/scroller-1,zynga/scroller,pbakaus/scroller,CarLingo/scroller,popham/scroller,mcanthony/scroller,stonegithubs/scroller