Merge pull request #93 in FS/freeswitch from ~RAVENOX/freeswitch:mod_managed_improvem...

* commit '889b678e58bf38eb86df7885b8f054d3d9d92d74':
  mod_managed: Added GetPtr to Util class for internal pointers extraction (very useful when using native api)
  mod_managed: Added pure CreateStateHandlerDelegate in ManagedSession for native api usage
  mod_managed: added console log level
  mod_managed: support per-module references directory
  mod_managed: not crash when cannot remove shadow directory (this sometimes happens when restarting from FS console)
  mod_managed: managedlist command must return value to api stream instead of log