added a dual layer dual PDU fencing example to ch-Stonith
High: PE: cl#5128 - Support maintenance mode for a single node
Low: PE: cl#5128 - Support maintenance mode for a single node (regression tests)
Implement the ability to change the display options during operation.
When timing is validated, it corrects so that operation may also be validated
updated Ch-Stonith.txt with detailed topology example
Test: cts: Fix patterns - the ()'s were not interpretted literally
fix reference in "data_set->ticket" of NULL.
Fix: crmd: Initiate node shutdown if another node claims to have successfully fenced us

Fall back to inhibiting respawn if shutdown fails or is unavailable
Fix: crmd: Everyone who gets a fencing notification should mark the node as down
Fix: corosync: Nodes that can persist in sending CPG messages must be alive afterall
Test: crm_simulate: Fix memory leaks reported by valgrind
Merge pull request #306 from yuusuke/fix_stonithd

fix reference in "data_set->ticket" of NULL.
Merge branch 'crm_mon_customize' of github.com:yuusuke/pacemaker into crm_mon_customize
fix reference in "data_set->ticket" of NULL.
Fix: corosync: Fall back to uname for local nodes
Fix: crm_resource: Avoid whitespace in transition keys when cleaning up and failing resources
Merge pull request #307 from yuusuke/crm_mon_customize

Implement the ability to change the display options during operation.
Fix: crm_simulate: Support systemd and upstart actions
Fix: corosync: Suppress harmless error message for non-crmd processes