Use denormalized domain_namespace
Since domain_namespace is denormalized, guard load
Bug 1043620 - Cannot create scalable cartridge without specifying service category
Added support for multiple parallel doc sets
Automatic commit of package [rubygem-openshift-origin-node] release [1.19.3-1].
Automatic commit of package [openshift-origin-node-util] release [1.18.3-1].
Automatic commit of package [rubygem-openshift-origin-controller] release [1.19.4-1].
Merge pull request #4379 from nhr/doc_build_enhancements

Merged by openshift-bot
Updated VM guide for 3.0 & master
Merge pull request #4355 from smarterclayton/use_local_namespace

Merged by openshift-bot
Merge pull request #4349 from bparees/scalable_cart

Merged by openshift-bot
Merge pull request #4381 from nhr/VM_doc_updates

Updated VM guide for 3.0 & master