Add monkey patch for fence_agents for virsh

Patch is applicable for CentOS & fence-agents.x86_64 3.1.5-25.el6_4.2 *ONLY*

Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>
Add pcmk settings for host mappings by uuid

These are vital to ensure virsh fence agent will be
possible to fence/unfence nodes

Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>
Tune cluster-recheck-interval and stonith-action cluster settings

Cluster should be rechecked more often than once per 15 min (default).
To enable node level STONITH, use stonith-action off instead of reboot (default).

Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>