Merge pull request #4855 from danmcp/master

Merged by openshift-bot
Card origin_node_39 - Fix unit test
Merge pull request #4856 from jwhonce/origin_node_39

Merged by openshift-bot
Bug 1070068 - fixes some search forms to the new site search engine
Merge pull request #4858 from fabianofranz/master

Merged by openshift-bot
Fixing typos
Merge pull request #4859 from danmcp/master

Merged by openshift-bot
Merge pull request #4852 from sg00dwin/disabed-buttons-fix

Merged by openshift-bot
Bug 1071721 - Show errors when env vars aren't found
Merge pull request #4860 from danmcp/master

Merged by openshift-bot
requirements.txt documentation
Merge pull request #4861 from VojtechVitek/python_requirements.txt_docs

Merged by openshift-bot
fix bash regexp in upgrade scripts
Merge pull request #4862 from VojtechVitek/fix_bash_regexp

Merged by openshift-bot
Automatic commit of package [rubygem-openshift-origin-node] release [1.21.2-1].
Automatic commit of package [openshift-origin-cartridge-haproxy] release [1.21.2-1].
Automatic commit of package [rubygem-openshift-origin-frontend-apache-mod-rewrite] release [0.4.2-1].
Automatic commit of package [openshift-origin-cartridge-jbosseap] release [2.14.2-1].
Automatic commit of package [openshift-origin-cartridge-jbossews] release [1.20.2-1].
Automatic commit of package [openshift-origin-cartridge-postgresql] release [1.21.2-1].