* Add get_detected_gpus() and supported_render_engines() to Blender class
* Parse help args for Blender
* Return dict instead of list
* Parse args for FFMPEG
* Add API to get renderer args
* Only return available renderers
* Parse help args for Blender
* Return dict instead of list
* Parse args for FFMPEG
* Rebase off master
* Rebase
* Change methods from class methods to instance methods
* FFMPEG format fetching
* Accept start / end frames in job submissions. Start / end frame support for Blender
* Remove old render_all_frames variables and misc cleanup
* Client work - Client determines frame count for FFMPEG and shows frame picker UI