There was a bug where the mlog_oss was always setting noLog to false.
Therefore it was never actually providing any value.  :)

Also, added an mlog_oss::commit() to remove one unnecessary call
to oss.string().c_string() when the noLog was true.
Merge pull request #203 from johnbent/mlog_wrapper

There was a bug where the mlog_oss was always setting noLog to false.