- overall cleanup and bugfixing of "server" side code:
 * finished basic auto connect/reconnect to serial feature : closes #6
 * fine tuned usage of yaml configuration file & configuration object
integration  closes #3
 * added a number of items to configuration , to make things more settable
 * cleaned up logging, and config management
 * cleaned up saving and loading of files (ply, config etc)
- added digitalIOPerformance header for improved speed in laser
toggling, updated firmware accordingly
- added more attributes mapping between server and client
 * more attribute added, some of the old ones cleaned up
 * various minor ui element clean ups