Update version

Remove cups libraries that shouldn't be needed

Upgrade upload-artifact to v4

Upgrade to Qt Creator 13

Merge pull request #4 from VikingGuenter/master

Update for QtCreator 12

Bump version number to 0.4.2 and update license

Add SIGBUILD logo to README

[0.4.1] Updated version.

[0.4.0] Session builds log.

[0.3.2] Better last build info.