0.6.0

• connection broker for discovering devices, identifying them by model and serial number and managing connections
• support for scattered (async) firmware updates
• process a single controller's outstanding requests concurrently
• IPv6 support
• DNS-SD discovery support on Linux
• DeviceManager setResetKey() support
• implement OcaIdentificationSensor and OcaIdentificationActuator
• remove Observation support on Darwin
• various other bug fixes