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.
add jython to jboss cartridges
Bug 1073934 - Check the ERB safe-level for python openshift.conf.erb
Merge pull request #4920 from maxamillion/maxamillion/add_jython

Merged by openshift-bot
Merge pull request #4922 from mfojtik/bugzilla/1073934

Merged by openshift-bot
Adding methods for version comparisons to the cartridge sdk
Adding tests for cartridge sdk version comparisons
Bug 1070719 - Prevent openshift-watchman from running twice
Merge pull request #4917 from brenton/sdk_version_comparison1

Merged by openshift-bot
Blocking rollback once the gear/cart removal is underway
Merge pull request #4926 from abhgupta/abhgupta-dev

Merged by openshift-bot
Merge pull request #4925 from jwhonce/bug/1070719

Merged by openshift-bot
Bug 1073395: Fixing precedence issue in condition
Speeding up tests
Merge pull request #4928 from danmcp/master

Merged by openshift-bot
Bug 1071105 - On validation just print commit timestamp
Merge pull request #4930 from jwhonce/bug/1071105

Merged by openshift-bot
Merge pull request #4927 from abhgupta/abhgupta-dev

Merged by openshift-bot
Speeding up tests
Merge pull request #4931 from danmcp/master

Merged by openshift-bot