Inf: hide interval and IQR bars on startup
Merge branch 'master' of github.com:serg-srri-umass/TP-data-games
For levels with a fixed IQR and/or interval, only one bar is shown.
Inf: add "Game x, Round y" label
Merge branch 'rmmccann-data-games/master'
Merge branch 'MikeSalyh-TP-data-games/master'
Merge branch 'seg-srri-umass-tp-data-games/master'
Inf: New level select screen.