Shout Vote (Map Voting)

Fixes, changes and additions for ShoutVote 1.5.5

If you are updating: You don't need to update your sh_shoutconfig.lua file, so you can keep all your custom configs and settings!

Changelog:

1. [FIX] Fixed UserGroupPower not working correctly when Shout Power was disabled and players could change votes. (Thanks Yami)