Emojirades

New Features (lots of them!):
* Commands now match against multiple patterns (if supported) 77
* Allow admins to override the channel 75
* Redesigned leaderboard! 76
* Nicer game status command output 74
* Anti-scott mitigations 71
* Scorekeeper tracks multiple channels now 64
* Repo now contains a Linux service file!!! 61
* Emojirade's now support alternatives properly 59
* Ban emojis in an emojirade text 55

New features:
* fixwinner command to override the result of the previous round
* Don't ping people on the leaderboard, instead just print names in text

Minor release:
- Put printing the emojirade behind a feature flag and default it to being masked
- Put the 'action performed by' message behind a feature flag and default it to off

Latest dev contains a reworked user impersonation ability and fixes people not being privately messaged by the bot

Beta release!