Concentration

[clpetersonucf]

ucfopen/active-voice-verb-concentration-materia-widget#21

[retromonos]

Tested latest PR, builds and runs fine on Django, LGTM.

No python score module but also the widget never sends you to scoring ever it seems so it should be fine. If it ever becomes an issue, the php module is basically identical to the Roulette one which is ported alr