added changelog for 0.6.2
added changelog for 0.6.2

liqk2014/skrollr,dshreyas11/skrollr,BenHeubl/skrollr,dommuthu/skrollr,piyushkhemka/skrollr,jianxiansining/skrollr,thenaughtychild/skrollr,fxck/skrollr,danieldietrich/skrollr,VladimirGavrilov/skrollr,mikesoops/skrollr,bspiritxp/skrollr,SanhNX/skrollr,leonardykris/skrollr,dommuthu/skrollr,utkarshx/skrollr,mtgrunt/skrollr,alvarotrigo/skrollr,RohithKP/skrollr,GerHobbelt/skrollr,matthewgoodwin/skrollr,fengyiyi/skrollr,divisionparzero/skrollr,dshreyas11/skrollr,2947721120/skrollr,10by10pixel/skrollr,Prinzhorn/skrollr,SanhNX/skrollr,BenHeubl/skrollr,Kalmani/skrollr,Bilyachenko/skrollr,2947721120/skrollr,GerHobbelt/skrollr,grigorkh/skrollr,kavallo/skrollr,Bilyachenko/skrollr,cwj10/skrollr,MassImpact/skrollr,leendx/skrollr,lauffenp/skrollr,leonardykris/skrollr,xiamiLi/skrollr,xiamiLi/skrollr,divisionparzero/skrollr,kavallo/skrollr,winglua/skrollr,unxsist/skrollr,garylgh/skrollr,garylgh/skrollr,dszls/skrollr,MassImpact/skrollr,mumer92/skrollr,Kalmani/skrollr,antoniocicerone/skrollr,mumer92/skrollr,thenaughtychild/skrollr,boregan/skrollr,Prinzhorn/skrollr,fengyiyi/skrollr,antoniocicerone/skrollr,liqk2014/skrollr,mtgrunt/skrollr,10by10pixel/skrollr,AlphaStaxLLC/skrollr,udhayam/skrollr,NancyFan/skrollr,leendx/skrollr,alvarotrigo/skrollr,fxck/skrollr,piyushkhemka/skrollr,cwj10/skrollr,matthewgoodwin/skrollr,mikesoops/skrollr,NancyFan/skrollr,boregan/skrollr,RohithKP/skrollr,jeff235255/skrollr,VladimirGavrilov/skrollr,utkarshx/skrollr,dszls/skrollr,triplecanopy/skrollr,unxsist/skrollr,udhayam/skrollr,winglua/skrollr,grigorkh/skrollr,danieldietrich/skrollr,lauffenp/skrollr,jeff235255/skrollr,jianxiansining/skrollr,bspiritxp/skrollr,AlphaStaxLLC/skrollr