further squeezing of kilobytes from the assets to save space on the 'kastje'
fix bug where progressguage and thermometer were making print and stop button non-clickable
Merge branch 'feature/printerdriver' of https://github.com/Doodle3D/doodle3d-client into feature/printerdriver

# By peteruithoven
# Via peteruithoven
* 'feature/printerdriver' of https://github.com/Doodle3D/doodle3d-client:
  UpdatePanel