Pre check to make sure the time is synced bwteen the nodes
	Abort install_contrail and setup_all if time is not synced between nodes.

Change-Id: Ic411b5df4d067866be42d8987b69067e2502f53e
Merge "Pre check to make sure the time is synced bwteen the nodes 	Abort install_contrail and setup_all if time is not synced between nodes."
Merge remote-tracking branch 'upstream/master'