Merge branch 'hotfix-0.92rc2'
Merge branch 'hotfix-0.92rc2'
Merge branch 'hotfix-0.92rc2'
Merge branch 'release-0.92'
Merge branch 'release-0.92.1'
Merge branch 'release-0.93'
Merge branch 'release-0.93.1'
Merge branch 'release-0.93.2'
Merge branch 'release-0.93.3'
Merge remote-tracking branch 'upstream/master' into sge-plugin
Avoid duplicate known_host entries for master

A quick fix (maybe raises other problems) for avoiding duplicate
entries for master node in known_hosts for root user on the master node.