Fixed /group
Merge pull request #805 from atom0s/general-devel

Some misc changes for player purposes.
Merge pull request #806 from ancientgods/general-devel

Fixed /group
Remove unnecessary handling of teleport packet - fixes the "double teleport" glitch
new command: /renamenpc <guide,nurse,etc.> <newname>

Change a town NPC's name to anything you want!
requires permission tshock.renamenpc

requested by our friends from /tg/
change permission for renamenpc to the npc node.
permission is now tshock.npc.rename
changing variable to be less ambiguous