update README.md
update README.md

RobinChao/DKImagePickerController,carabina/DKImagePickerController,machelix/DKImagePickerController,jpipard/DKImagePickerController,gorjuspixels/DKImagePickerController,izrie/DKImagePickerController,RobinChao/DKImagePickerController,izrie/DKImagePickerController,jpipard/DKImagePickerController,mohsinalimat/DKImagePickerController,Staance/DKImagePickerController,carabina/DKImagePickerController,paterson/DKImagePickerController,Staance/DKImagePickerController,LucidityDesign/DKImagePickerController,mohsinalimat/DKImagePickerController,gorjuspixels/DKImagePickerController,metasmile/DKImagePickerController,zhangao0086/DKImagePickerController,zhangao0086/DKImagePickerController,North-American-Signs/DKImagePickerController,North-American-Signs/DKImagePickerController,metasmile/DKImagePickerController,paterson/DKImagePickerController,machelix/DKImagePickerController,LucidityDesign/DKImagePickerController