fixing deprecation warnings
fixing deprecation warnings

laonayt/DLCImagePickerController,ywzw2013/DLCImagePickerController,gobackspaces/DLCImagePickerController,lorenzopino/DLCImagePickerController,wilferrel/AGACameraAndPictureFilter,csjlengxiang/DLCImagePickerController,ycaihua/DLCImagePickerController,ashishgabani/DLCImagePickerController,lorenzopino/DLCImagePickerController,donly/DLCImagePickerController,donly/DLCImagePickerController