Merge pull request #283 from NETWAYS/bump

Bump to v4.1.2

Merge pull request #273 from NETWAYS/bumpversion

Bump version

Merge pull request #255 from NETWAYS/fix/various

Various fixes

Fix handout image size for git basics

Merge pull request #197 from NETWAYS/release/v3-0-0

Release v3.0.0

Merge pull request #171 from NETWAYS/release/v2.6.1

Release v2.6.1

Update showoff.json

Merge branch 'feature/update-images'

Change instructions to include our online tooling

Make changes according to the new GitLab UI