Start script needs bash instead of sh for root arguments
Back to sh, fix comparison for POSIX/dash (++ CentOS, Ubuntu compatibility)
API: fix createGroup for mapper endpoint for cases when a mapped group has been deleted

fixes #1890
Merge pull request #1851 from Karunamon/patch-1

Start script should use bash instead of sh for argument handling
Merge pull request #1893 from ether/fix/api/cginef-endpoint

API: fix createGroup for mapper endpoint for in case the group is deleted