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
Changed the Spock Functional Tests to truncate the log file rather than delete it.
Removed the ReposeLogSearch.deleteLog() method in favor of the cleanLog() method which only truncates the log file to ease manual debugging efforts.