add config values for default workspace ids for common rpc and batch manager rpc
(from redmine: issue id 1158, created on 2012-08-31 by gmueller, closed on 2013-12-18)
Aufgrund einer Wartung wird GitLab am 21.09. zwischen 8:00 und 9:00 Uhr kurzzeitig nicht zur Verfügung stehen. / Due to maintenance, GitLab will be temporarily unavailable on 21.09. between 8:00 and 9:00 am.
(from redmine: issue id 1158, created on 2012-08-31 by gmueller, closed on 2013-12-18)