FreeSWITCH

Merge pull request #954 in FS/freeswitch from ~PIOTRGREGOR/freeswitch:feature/FS-9509-subscribe-to-avmd-messages-script to master

* commit '194a248522ba55164847a15c39e8ede94b1147a8':
  FS-9509: [avmd] Add perl script subscribing to avmd events