- Added 'gain' property to gstidsueyesrc element (0-100, 0=auto)
- Implemented hardware gain control using is_SetHardwareGain() API
- Added --gain/-g command-line argument to launch-ids.py
- Added SET_GAIN and GET_GAIN UDP control commands
- Updated STATUS command to include gain value
- Added get-gain and set-gain commands to camera_control.py test client
- Gain can be set at startup or adjusted dynamically during runtime
