Added onRelease callback
Added onRelease callback

EventMobi/Jcrop,opensoft/Jcrop,cjqhyy/Jcrop,xiwc/Jcrop,roceys/Jcrop,aslushnikov/Jcrop,wancharle/Jcrop,madhavi-webonise/webonise-emailer,gloryhui/Jcrop,cjqhyy/Jcrop,ropik/Jcrop,gloryhui/Jcrop,ropik/Jcrop,sunkanmi-akintoye/Jcrop,opensoft/Jcrop,cjqhyy/Jcrop,MJBGO/Jcrop,roceys/Jcrop,mig1098/Jcrop,cjqhyy/Jcrop,sul-dlss/Jcrop,everlon/Jcrop,madhavi-webonise/webonise-emailer,aslushnikov/Jcrop,madhavi-webonise/webonise-emailer,MJBGO/Jcrop,EventMobi/Jcrop,gloryhui/Jcrop,wancharle/Jcrop,sul-dlss/Jcrop,MJBGO/Jcrop,Lexaloris/kubanzsk,EventMobi/Jcrop,xiwc/Jcrop,gloryhui/Jcrop,Lexaloris/kubanzsk,sunkanmi-akintoye/Jcrop,sunkanmi-akintoye/Jcrop,roceys/Jcrop,opensoft/Jcrop,everlon/Jcrop,aslushnikov/Jcrop,MJBGO/Jcrop,everlon/Jcrop,mig1098/Jcrop,xiwc/Jcrop,roceys/Jcrop,opensoft/Jcrop,sul-dlss/Jcrop,xiwc/Jcrop,Lexaloris/kubanzsk,wancharle/Jcrop,monstrum/Jcrop,EventMobi/Jcrop,sunkanmi-akintoye/Jcrop,madhavi-webonise/webonise-emailer,mig1098/Jcrop,mig1098/Jcrop,sul-dlss/Jcrop,everlon/Jcrop,wancharle/Jcrop,monstrum/Jcrop,ropik/Jcrop