Add journal cache dir to %files

Add the mongodb journal cache dir to the %files list to ensure
the directory sticks around.

Resolve bug: https://bugzilla.redhat.com/show_bug.cgi?id=1092159
Merge pull request #5347 from ironcladlou/mongo-journal-precompile-fix

Merged by openshift-bot
JBoss metrics module

Add dependency on JBoss metrics module so it will be installed with the
JBoss cartridges.

Add sample (disabled) metrics configuration to standalone.xml.
Merge pull request #5350 from ncdc/jboss-metrics

Merged by openshift-bot