Prevent shovelist msg from displaying if user isn't actually being shoved

If the player was set to be shoved, it would have shoved by then. If the player was not set to be shoved, it deletes it and bypasses the message.
Merge pull request #574 from Fuzzysqurl/patch-11

Prevent shovelist msg from displaying if user isn't actually being shoved
Merge pull request #575 from TheUnknownOne/patch-1

Fix link in readme
Mafia: Fix lynch.killVoters

I didn't test, but hopefully that solves everything (since -0 is still 0 :x)
Repeated flood messages only get sent to indigo to prevent trolling with it. Also fix smute flood message
Merge branch 'master' of github.com:po-devs/po-server-goodies
smute pm fix
Bypass + message fixes
Merge pull request #579 from Fuzzysqurl/patch-1

Bypass + message fixes
Merge pull request #576 from IceKirby/patch-7

Mafia: Fix lynch.killVoters
Fix purge commands
Steal fuzzy's idea
Forgot this
Brackets
Merge pull request #582 from WriggleNightbug/patch-1

Brackets
Stop undefined from appearing when using /topicadd
Merge branch 'master' of github.com:po-devs/po-server-goodies
Fix datadir problem
data dir problem for mafia themes