Merge pull request hardbyte#517 from hardbyte/release-3.1.0

release 3.1.0 into develop

Merge pull request hardbyte#516 from hardbyte/release-3.1.0

Release 3.1.0

New SYSTEC interface (hardbyte#466)

New SYSTEC interface with tests and documentation.

Merge pull request hardbyte#441 from hardbyte/release-3.0.0

Merge pull request hardbyte#357 from hardbyte/release-2.2.1

Bugfix release 2.2.1

Merge pull request hardbyte#344 from hardbyte/release-2.2.0

Merge develop into master for release 2.2.0

Merge pull request hardbyte#242 - release v2.1.0

Merge python-can version 2.0.0 into master

Add notes on how to cut a release.

Release 1.4.2

Includes a few fixes to the can_logger configuration.
Tests that require CAN hardware are now skipped by default.