rose suite-log: fix report on uninstalled suites

It was reporting an unfriendly error.
Remove FIXME statement in test
Merge pull request #1469 from matthewrmshin/fix-no-suite-log-reporting

rose suite-log: fix report on uninstalled suites
Update CHANGES.md
rosie.svn_post_commit: more notification

Configurable notification on trunk commits.
Module re-written to improve flow of logic.
ConfigNode: add __eq__ and __ne__ methods.