Update mafiachecker.js
Mafia: Actions immune to distract, killVoters.random

-ignoreDistract for night actions make an action still go through even if the user is distracted. For roles with more than 1 night action where not all of them should be interrupted.
-"random" available for 'killVoters' and 'convertVoters'; "watchRandom" available for 'watch' night action
-standby.msg won't be displayed if the player has no charges left for that action.
Merge pull request #777 from IceKirby/patch-32

Mafia: Actions immune to distract, killVoters.random