open4 is a rubygem
add check for systemd based os

check for systemd in status() too

Conflicts:
	node/misc/bin/oo-admin-ctl-cgroups
Fixing sed expression which transforms 000001_openshift_origin_node.conf for Apache 2.4
Revert "Adding path to resolve useradd"
  This reverts commit 31d41d77df658b1bb134a9d2cba7cd8ee28cfe64.
Merge pull request #1404 from kraman/master

Merged by openshift-bot
Merge pull request #1376 from markllama/bug/oo-cgroup-read

Merged by openshift-bot
Merge pull request #1379 from markllama/bugs/cgroup-start

Merged by openshift-bot
Merge pull request #1405 from rmillner/US3143

Merged by openshift-bot
Automatic commit of package [openshift-origin-broker-util] release [1.5.3-1].
Automatic commit of package [openshift-origin-node-proxy] release [0.6.3-1].
Automatic commit of package [rubygem-openshift-origin-msg-broker-mcollective] release [1.5.3-1].
Automatic commit of package [openshift-origin-cartridge-nodejs-0.6] release [1.5.3-1].
Automatic commit of package [openshift-origin-cartridge-mysql-5.1] release [1.5.3-1].
Automatic commit of package [openshift-origin-cartridge-community-python-2.7] release [0.2.3-1].
Automatic commit of package [openshift-origin-cartridge-switchyard-0.6] release [1.4.3-1].
Automatic commit of package [openshift-origin-cartridge-cron-1.4] release [1.5.3-1].
Automatic commit of package [rubygem-openshift-origin-node] release [1.5.3-1].
Automatic commit of package [openshift-origin-cartridge-haproxy-1.4] release [1.5.3-1].
Automatic commit of package [openshift-origin-msg-common] release [1.3.3-1].
Automatic commit of package [openshift-origin-cartridge-perl-5.10] release [1.5.3-1].
Automatic commit of package [openshift-origin-cartridge-10gen-mms-agent-0.1] release [1.19.3-1].