net/savvycan: Update to 1.0.173.

Add PORTEPOCH. Changes since 199.1:

• Added ability to delete nodes, messages, signals within tree.
• Add tracking of DBC editing in order to warn when exiting without saving, add sorting to DBC routines, add a new screen that allows one to compare two DBC files for changes/differences.
• Now the DBC Message editor can change the parent node of a message and you can create new nodes simply by typing something new into the sender field.
• Changes to MQTT interface to make it work properly with current python
• Fix UDS interpretation of read by ID, Fix up display issues with interpreted messages on main screen.
• Use integer formatting where possible when interpreting signal.
• Add CARBUS Analyzer file load.
• Fix timestamp loading for CARBusAnalyzer files
• Save CARBUS Analyzer format
• Changes to hopefully handle error frames better over the socketcan
• Modify the parsing of the 'id' trigger to match help
• Fix PCAN loading issues
• Support for Tx when logging via QCanBus
• Fixed several seg faults and other errors in DBC code
• Added many additional graphing modes. They are loaded/saved in graph definitions as well.
• Add support for detecting and reading CLX000 files.
• CLX000: Allow for shorter IDs, flip direction
• Feature/connection reordering
• Feature/busfilter
• Feature/continuous logging
• Feature/socketcand
• fixing opengl32 lib for g++ and msvc in windows
• Bugfix/bigoulours1
• GraphWindow: support rescaling the view or each axis to the data

Reported by: portscout, pkg-fallout