simplify constructor creation
simplify constructor creation

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