File AUTHORS artifact 5eadca367f part of check-in 5e72879d0d

Primary Authors:
  * Roy Keene <libconfig@rkeene.org>
    Primary maintainer.

People who have submitted patches:
  * Mirko Buffoni <mirko.buffoni @AT@ synthesys.it>
    Fixed installation issues and corrected mistakes in RPM spec file.
  * T. Hayfield
    Fixed issue with lc_process_var_double() handling the wrong type