Update dbc_parser_cpp

Description

Update dbc_parser_cpp to the current master which is the recently done release (https://github.com/LinuxDevon/dbc_parser_cpp/releases/tag/v0.2.0) plus some additional minor formatting related fixes.

Conformity

• Changelog entry
• Unit tests
• Update INSTALL
• Downport
• Fixes:

When external dependencies are removed

• Reporting to ...