Added PartyLeader configs, Party Info HUD alignment

HUD alignment is very simplistic; it's a simple x shift. This looks a
bit odd when no long usernames are present. I may eventually have it
truly align right, mirroring the left positioning of elements.
Updated Releases
Merge pull request #2 from Mustangflyer/dev

Final 1.6.4 version, unless major bugs need to be fixed