* Check engine state after picture metering - Fixes#685
* Ensure actions are only started in a valid holder state - Fixes#669
* Improve size selection
* Add PictureFormat definition
* Change PictureResult to reflect new format
* Throw if toBitmap is called with a DNG file
* Update the CameraView interface to support PictureFormat
* Implement DNG support into the CameraEngine, restart if needed
* Make CameraOptions engine aware
* Fix action bug
* Make CameraOptions check RAW availability
* Complete engine/options logic for RAW
* Add RAW control to demo app
* Ensure toBitmap does not crash in demo
* RAW support inside Full2PictureRecorder
* Add DNG test, fix implementation bugs
* Add option to see RAW result through share option
* Enable RAW toBitmap for API 24+
* Add documentation
* Improve documentation
* Change tests
* Small change