Update README.md
Update README.md
Update README.md
Update README.md
NBUFilter, NBUAssetsGroupViewController, NBUCameraView/Controller, NBUMediaInfo, NBUImagePickerController

- NBUFilter: temporarily disable concreteFilter cache
- NBUAssetsGroupViewController: call selectionChangedBlock on setSelectedAssets: too, refresh continue button, clear selectedAssets on group modification
- NBUCameraViewController: flashLabel
- NBUCameraView: new currentCaptureDevice/Flash/Focus/Exposure/WhiteBalanceMode properties
- NBUMediaInfo: avoid NSGenericException (mutated dictionary), clear thumbnails when the original/edited image changes
- NBUImagePickerController: add singleImageMode readonly property
Merge branch 'master' of github.com:CyberAgent/iOS-NBUKit into NBUKit
Merge branch 'cocapods' of github.com:CyberAgent/iOS-NBUKit into NBUKit

Conflicts:
	NBUKitDemo/NBUKitDemo/MainController.xib