oo-accept-node: check allow_polyinstantiation

Check that the allow_polyinstantiation SELinux Boolean is enabled.
Bug 961475
Bug 957164
Bug 963828
added validation for initial git url
Merge pull request #2548 from jwhonce/wip/documentation

Merged by openshift-bot
Skipping the as7 cukes on OpenShift Enterprise
Merge pull request #2549 from brenton/as7-cucumber-fix1

Merged by openshift-bot
Bug 965012: Generate initial ROOT.war dynamically on install for jboss cartridges
Automatic commit of package [openshift-origin-cartridge-perl] release [0.4.3-1].
Automatic commit of package [openshift-origin-broker-util] release [1.9.3-1].
Automatic commit of package [openshift-origin-cartridge-mysql] release [0.3.3-1].
Automatic commit of package [rubygem-openshift-origin-controller] release [1.9.3-1].
Automatic commit of package [openshift-origin-cartridge-nodejs] release [1.10.3-1].
Automatic commit of package [openshift-origin-cartridge-jbosseap] release [2.3.3-1].
Automatic commit of package [openshift-origin-cartridge-jbossews] release [0.4.3-1].
Automatic commit of package [rubygem-openshift-origin-common] release [1.8.3-1].
Automatic commit of package [openshift-origin-cartridge-mock-plugin] release [0.4.3-1].
Automatic commit of package [openshift-origin-cartridge-ruby] release [0.4.3-1].
Automatic commit of package [openshift-origin-cartridge-cron] release [1.7.3-1].