Bumping version to 2.3.0
Bumping version to 2.3.0

North-American-Signs/DKImagePickerController,zhangao0086/DKImagePickerController,metasmile/DKImagePickerController,jpipard/DKImagePickerController,gorjuspixels/DKImagePickerController,North-American-Signs/DKImagePickerController,LucidityDesign/DKImagePickerController,metasmile/DKImagePickerController,jpipard/DKImagePickerController,LucidityDesign/DKImagePickerController,gorjuspixels/DKImagePickerController,zhangao0086/DKImagePickerController