Change pacemaker default no-quorum-policy to 'stop'

Currently we use 'ignore' policy which makes sense for 2-nodes
clusters. Setting 'stop' policy makes sure that resources are stopped
in affected cluster partition.

Change-Id: I73dd5670713d0b6f93482ee1d7a14bac7e68ce1f
Merge "Change pacemaker default no-quorum-policy to 'stop'"