added updated GUI
modify css
resize images
make multiple choice screen proportionate
did not mean to leave that in
Updated images and GUI
Merge pull request #26 from witboston/level_select_cw

Level select cw
use images from master branch
merge in master
fix images
Merge pull request #27 from witboston/shrink-tutorial-to-one-page

Shrink tutorial to one page
done
Merge pull request #28 from witboston/update-level-selection-to-fixed-api-calls

done
demo reads from api call
get tutorial data from api call
fix piano header
Merge branch 'fix-small-keyboard-brokenness' into use-api-calls-for-tutorial-and-demo
adjust screen to fit all tutorial discriptions and add highlighted black key
get rid of changeKeys
crop remaining tutorial images