First stab at a test that allows overriding of the ci_log4net timezone
Experiment with coalesce and injecting the tz-offset into the date filter
Merge branch 'master' into issue70-standardize-log-timezones
add and use source_tz field for ci_log4net logging
Merge pull request #81 from cityindex/issue70-standardize-log-timezones

Add ci_log4net timezone configuration support