Add new gem popen4

Change-Id: I2cb24d23298f7289b67ec68ee46093123b723124
Related-Bug: #1268861
Skip attempts to sync time on nodes in all states but provisioned and ready

Change-Id: Iaaa2b7544befdc4959ded9f6939a6e4b24f67f7b
Merge "Add new gem popen4"
Add fence-agents, snmp, python-pexpect, ipmitool to requiremets-deb

Change-Id: I9f8493a840d58d142c54488f9027b0cf7071edc8
Merge "Skip attempts to sync time on nodes in all states but provisioned and ready"
Add package for fencing-agent script

Based on existing nailgun agent package and
its installation scheme

Required by: https://review.openstack.org/66608
Dependes on internal: OSCI-1003
Implements blueprint: fencing-in-nailgun-agent

Change-Id: I6c531ae91790c8385d89594681ee5d20c9671fe4
Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>