Added the possibility to keep the original picture orientation
Added the possibility to mirror the front camera video preview
Adding video orientation support verification
Merge branch 'master' of git://github.com/ahcbsa/iOS-NBUKit into ahcbsa-master
Fix build error
NBUCameraView: shouldMirrorFrontCamera -> keepFrontCameraPicturesMirrored

As a test, the Demo app keeps mirrored pictures from the front camera
NBUCameraView: remove unnecessary UIInterfaceOrientationFromValidDeviceOrientation conversion
Merge branch 'feature/cameraview_improvements' of github.com:CyberAgent/iOS-NBUKit into development