Removed DoubleTapZoom parameter startZoom, since it's always normalizedScale
Removed DoubleTapZoom parameter startZoom, since it's always normalizedScale

YX1917/TouchImageView,Juneor/TouchImageView,MikeOrtiz/TouchImageView,hannesa2/TouchImageView,slavakraynov/TouchImageView,Volcanoscar/TouchImageView,qingsong-xu/TouchImageView,Katkov/TouchImageView,ckashby/TouchImageView,fashioncj/TouchImageView,ashu11168/TouchImageView,bigsui/TouchImageView,heocon8319/TouchImageView,bpappin/TouchImageView,JVillella/TouchImageView,lcyluo/TouchImageView,kzganesan/TouchImageView,angcyo/TouchImageView,hannesa2/TouchImageView