Fixes README
Fixes README

andris-zalitis/GKImagePicker,robseward/GKImagePicker,Tramino/GKImagePicker,stian-a-johansen/GKImagePicker,bofiaza/GKImagePicker,vasiabikeru/GKImagePicker,zen4ever/GKImagePicker,VUID/GKImagePicker,timothyrobb/GKImagePicker