Fix: acl: Prevent use-of-NULL
Low: fencing: Set 'on_target=true' for fence_dummy to allow testing unfencing
Fix: fencing: properly detect new fencing devices for v2 cib updates

When a new resource is added, the xpath of the change is
/cib/configuration/resources/ not /cib/configuration/resources/primitive
Stonith was passing over new fencing devices added after the cluster
was initialized.
Merge pull request #493 from davidvossel/unfencing_fixes

Unfencing fixes
Merge pull request #494 from davidvossel/master

Fix: pengine: Correctly search failcount (for real this time)
Fix: lrmd: Provide stderr output from agents if available, otherwise fall back to stdout
Log: xml: Include patch format when logging digest failures
Log: xml: Reduce LOG_NOTICE noise
Fix: crmd: Report unsuccessful unfencing operations
Log: Fencing: Additional trace information
Fix: fencing: Automatically switch from 'list' to 'status' to 'static-list' if those actions are not advertised in the metadata
Fix: fencing: Filter self-fencing at the peers to allow unfencing to work correctly
Fix: PE: Ensure unfencing occurs before fencing devices are (re-)probed
Feature: logging: daemons always get a log file, unless explicitly set to configured 'none'
Refactor: logging: Simplify processing of logging directives
Fix: lrmd: Expose logging variables expected by OCF agents
Merge branch 'master' of github.com:ClusterLabs/pacemaker
Fix: Fencing: Correctly record which peer performed the fencing operation
Fix: crmd: Do not erase the status section for unfenced nodes
Fix: crmd: Actions can only be executed if their pre-requisits completed successfully