vhost-plugin: switch from rewrite back to proxypass

Switch the primary traffic proxy for the vhost frontend plugin.
There are still other RewriteRule's that do the setting of
variables, etc.
minor cleanup of jboss config scripts
Fix bug 1066980: relax matching conditions for secondary groups in scalable app
Merge pull request #4873 from VojtechVitek/bug_1072144

Merged by openshift-bot
Bug 1070450: Improve message when an application cannot have additional storage
Merge pull request #4864 from bparees/jb_cleanup

Merged by openshift-bot
Move rev_proxy_host environment setting higher in the rules
Merge pull request #4865 from pmorie/bugs/1066980

Merged by openshift-bot
Handle empty plans
Automatic commit of package [rubygem-openshift-origin-node] release [1.21.3-1].
Automatic commit of package [openshift-origin-cartridge-jbosseap] release [2.14.3-1].
Automatic commit of package [rubygem-openshift-origin-msg-broker-mcollective] release [1.21.2-1].
Automatic commit of package [openshift-origin-cartridge-php] release [1.21.3-1].
Automatic commit of package [rubygem-openshift-origin-controller] release [1.21.3-1].
Automatic commit of package [openshift-origin-cartridge-jbossas] release [1.21.3-1].
Automatic commit of package [openshift-origin-broker-util] release [1.21.2-1].
Automatic commit of package [openshift-origin-node-util] release [1.20.3-1].
Merge pull request #4876 from danmcp/master

Merged by openshift-bot
Merge pull request #4874 from liggitt/bug_1070450_improve_no_storage_message

Merged by openshift-bot
Bug 1071819: Fix storage dropdown overflow