Fixed #7.  Return to using rename to update roles file.  Workaround added to taskforce.watch_files() handles case where file system does not file IN_DELETE_SELF or IN_MODE_SELF events on a file rename.  Specific case is with simfs used with OpenVZ (containers), which happens to be used by Travis-CI
Fixed #7.  Return to using rename to update roles file.  Workaround added to taskforce.watch_files() handles case where file system does not file IN_DELETE_SELF or IN_MODE_SELF events on a file rename.  Specific case is with simfs used with OpenVZ (containers), which happens to be used by Travis-CI

akfullfo/taskforce