选择相册和拍照 支持多种裁剪

https://github.com/February12/YLImagePickerController

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/// ["单选不裁剪","单选方形裁剪","单选圆形裁剪","多选","拍照不裁剪","拍照方形裁剪"]
imagePicker = YLImagePickerController.init(imagePickerType: ImagePickerType.album, cropType: CropType.none) imagePicker = YLImagePickerController.init(imagePickerType: ImagePickerType.album, cropType: CropType.square)
imagePicker = YLImagePickerController.init(imagePickerType: ImagePickerType.album, cropType: CropType.circular)
imagePicker = YLImagePickerController.init(maxImagesCount: 3)
imagePicker = YLImagePickerController.init(imagePickerType: ImagePickerType.camera, cropType: CropType.none)
imagePicker = YLImagePickerController.init(imagePickerType: ImagePickerType.camera, cropType: CropType.square)