Bug 1126826: cleaning up domain env vars and ssh keys on rollback
Bug 1084427 - Stop JBossEws cartridge gracefully

Replace SIGKILL with SIGTERM and a fallback to force kill the
processes after a timeout.
See other jboss carts for reference.
Remove the gear-placement plugin example since it's in openshift-extras

openshift-extras is now the home of the gear-placement plugin
Merge pull request #5721 from calfonso/master

Merged by openshift-bot
Merge pull request #5717 from abhgupta/abhgupta-dev

Merged by openshift-bot
Automatic commit of package [rubygem-openshift-origin-controller] release [1.29.5-1].
Automatic commit of package [openshift-origin-node-util] release [1.28.3-1].
Merge pull request #5720 from vbalazs/bvarga/bz_1084427_jbossews_graceful_stop

Merged by openshift-bot
Automatic commit of package [rubygem-openshift-origin-dns-nsupdate] release [1.16.3-1].
Automatic commit of package [openshift-origin-console] release [1.16.3-1].
Automatic commit of package [openshift-origin-broker] release [1.16.2-1].
[origin-ui-192] Handle cartridges restricted by gear size
[origin-ui-192] Adjustments according to feedback