Merge branch 'master' of git.llucax.com.ar:/var/lib/git/software/pymin into procman

* 'master' of git.llucax.com.ar:/var/lib/git/software/pymin:
  Add protocol specification of firewall and nat commands.
  Added the protocol specification.
  Root class inyects ip forwrading in constructor.
  Added route handling capabilities and service restarting
  Fix so that when a device is brought back up, the routes
  Added support to hook services to IPHandler.
  Support for inactive devices added in IPHandler.
  Remove ReturnNot0Error, use subprocess.check_call instead.
  qos implementation (working)
  qos template fixes