add ipv6 support to oo-register-dns

thanks to Magnus919bis on irc for the idea
Update oo_deployment_guide_comprehensive.adoc

yum install -y mongodb-server didn't actually install the mongodb package as a dependency, and I had to install it separately. Therefore I have added mongodb to the yum install line to save time/troubleshooting for others.
<docs> Added libmongodb to the yum install command for MongoDB
Bug 1025043

Added logging to assist in debugging errors when haproxy's
update-cluster control method fails.
Bug 1019219 - Exclude USER,SHELL and LOGNAME from passenv.conf
Bug 1025204
Bug 1025179 - Defend against code that calls execute_parallel with nil args

Some code paths are calling into remote_job.rb without calling create_parallel_job first.  Defend against that.
Merge pull request #4059 from ncdc/log-info-on-manifest-permission-denied

Merged by openshift-bot
Merge pull request #4061 from mfojtik/bugzilla/1019219

Merged by openshift-bot
Merge pull request #4062 from danmcp/master

Merged by openshift-bot
Merge pull request #4063 from smarterclayton/bug_1025179_defend_nil_args

Merged by openshift-bot
Fix for bug 1025218
Automatic commit of package [openshift-origin-cartridge-jbossews] release [1.16.4-1].
Automatic commit of package [rubygem-openshift-origin-msg-broker-mcollective] release [1.16.5-1].
Automatic commit of package [rubygem-openshift-origin-node] release [1.16.10-1].
Automatic commit of package [openshift-origin-cartridge-mysql] release [1.17.2-1].
Automatic commit of package [openshift-origin-cartridge-nodejs] release [1.17.6-1].
Automatic commit of package [openshift-origin-cartridge-haproxy] release [1.16.3-1].
Automatic commit of package [openshift-origin-cartridge-postgresql] release [1.16.2-1].
Automatic commit of package [openshift-origin-cartridge-jbossas] release [1.16.5-1].