1.1.1

Changelog from version 1.1.0 to 1.1.1:

7ecf115 new version 1.1.1
c4c3ac0 updates for audio_common 4.0.4
a4c7c14 empty config_filename as model_filename json
ebd7051 unused imports removed from launch
5d32927 fixing version 1.1.0