Issue #432 add rsyslog decoder
Add timegenerated tz conversion
Don't special case the timegenerated field
Merge pull request #671 from mozilla-services/issue_432

Issue #432 add rsyslog decoder
Pull in renamed grammars
Merge pull request #676 from mozilla-services/issue_432

Pull in renamed grammars
Merge branch 'dev' into config-doc-reorg
Small corrections.