Merge remote-tracking branch 'remotes/ajf/spectatorview'
Merge pull request #142 from TazeTSchnitzel/serverplugins

Server-sent plugin caching, allow disabling restart prompt
Merge branch 'master' of github.com:Medo42/Gang-Garrison-2
Some object ID changes due to conflicts
Updated menu / credits image to 2.6
Release preparations
Merge branch 'master' into serverplugins
ich habe eine pinkie promise gebrochen :'(