minigames/scoreboard.js broken with latest version of CanaryMod 1.8.2

[walterhiggins]

Start a new snowball fight game using /jsp snowball with 1+ players and the following error occurs...

Caused by: java.lang.NullPointerException
at net.canarymod.api.scoreboard.CanaryScoreboard.getScore(CanaryScoreboard.java:116)
at jdk.nashorn.internal.scripts.Script$^eval_.L:1$updatePlayerScore(:52)
at jdk.nashorn.internal.scripts.Script$^eval_.L:1$addPlayerToTeam(:48)
at jdk.nashorn.internal.scripts.Script$^eval_.L:1$start(:85)
at jdk.nashorn.internal.scripts.Script$^eval_.L:1$snowball(:91)
at jdk.nashorn.internal.scripts.Script$^eval_.L:1$L:10(:33)
... 33 more