Update GPUImage reference
Update GPUImage reference

CyberAgent/iOS-NBUImagePicker,dvan001/iOS-NBUImagePicker,dvan001/iOS-NBUImagePicker,CyberAgent/iOS-NBUImagePicker,jonesgithub/iOS-NBUImagePicker,jonesgithub/iOS-NBUImagePicker,dvan001/iOS-NBUImagePicker,jonesgithub/iOS-NBUImagePicker,dvan001/iOS-NBUImagePicker,jonesgithub/iOS-NBUImagePicker