CATVisor Pilot

Change history from 1.6.3 to 1.8.6:
- Fixed snapshot errors blocking the writing of rest of the settings.
- Removed unintended creation of trace file at application start.
- Fixed ICON4300 aux port control, not possible to change from OFF to any value
- Fixed snapshot errors blocking the writing of rest of the settings
- Fixed snapshot read from device
- Fixed error with escape characters in snapshot file
- Fixed crash in spectrum/ingress page
- Fixed problem with switches from enable to disable