Release v0.17.3

Release version 0.17.3.

Corresponds with LG69T-AM 0.17.3, -AP 0.14.3, and -AH 0.3.3.

New Features
- [config_tool] Report the bootloader version in the FusionEngine VersionInfo
  message
- [config_tool] Added SetConfig control for disabling ionosphere and troposphere
  models for simulator performance testing
- [config_tool] Added support for querying system status.
- [config_tool] Added support for connecting to devices over TCP.