Pong start methods end-to-end
Merge branch 'master' of https://github.com/pjh68/Junkyard-Jumbotron

# By Varun Kaushish
# Via Varun Kaushish
* 'master' of https://github.com/pjh68/Junkyard-Jumbotron:
  make it work again.
both calibrate & display
enable switch back to image from pong game