Fix: PE: Default sequential to TRUE for resource sets for consistency with colocation sets
Fix: crmd: Do not overwrite existing node state when fencing completes

Let the normal membership callbacks do that.  This allows us to function
correctly when a node returns before we get the fencing notification.
Log: crmd: Extra detail when a peer leaves CPG
Fix: crm_mon: Allow the file created by --as-html to be world readable