Build: xml: tell make to build versions.rng
Fix: xml: Build a valid schema for versions.rng
Test: tools: Ingore changes to validate-with in regression tests
Refactor: PE: Indicate the type of fencing in the fencing operation key
Fix: PE: Potential memory leak
Refactor: PE: Fix comments and formatting for pe_ordering enum
Refactor: PE: Ensure actions like shutdown and fence have a unique key
Test: PE: Include stonith operation in .dot graph regression test results
Test: PE: Include stonith operation in the summary results and handle unfencing
Refactor: PE: Store non-resource actions in a hashtable where we can easily (and cheaply) find them again