Quick Guild Invite

v0.8 Added auto invite (popup on whisper that includes "ginv" or "ginvite") This is moveable and toggleable with /qginv auto

v0.7 Changed to make it compatible with the new retail UI rework

v0.6 Quick fix to functions making them local

v0.5 fixed first load problems

v0.4 Cleaned up code

v0.3 Fixed an issue where the guild invite would show up multiple times in the context menu

v0.2 Fixed an issue where the guild invite would be placed the wrong place in the context menu's

V0.1 Basic tests complete