Adding missing activemq config templates
Fixing console spec to require gems
Additional fixes to comprehensive deployment guide
<broker> Gemfile loads plugins more safely and flexibly

/etc/openshift base for config files can be overridden by OPENSHIFT_CONF_DIR
Gemfile loads plugins even if just the -dev.conf file is present
Plugins are loaded in sorted order, in case it matters
Bundler load failures are wrapped and re-interpreted for OpenShift
  instead of telling the user to "bundle install"