lift the timebomb - this test rate limiting share between 2 nodes has failed for sometime, now the issue seems fixed
The errors for missing config files are really noisy

This makes them quieter, and reduces them to a WARN level, because
they're not really errors. (But they might be)
Trace log the stack trace
update remove timebomb
update test per comment
update typo
Merge pull request #1161 from rackerlabs/fix-timebomb

please merge this if test pass to lift timebomb issue.
Merge pull request #1162 from rackerlabs/quieter_spurious_errors

The errors for missing config files are really noisy
Added obsoletes to packages with new names
Moved warning comments to where they make sense
Added obsolete element