Imported Upstream version 3.8~rc1
Merge tag 'upstream/3.8_rc1'

Upstream version 3.8~rc1
Imported Upstream version 3.8
Merge tag 'upstream/3.8'

Upstream version 3.8
rules: ignore errors about extra license files
lintian: don't need new-package-should-close-itp-bug override anymore
prepare 3.8-1 release