Revert 4 commits not relevant to the LibreOffice fixes: - Autoconf: Make libunity-webapps an optional dependency. - Libbamf: Some signal, type and annotation fixes. - libbamf: gir-annotion fixes and make gi-scanner verbose. - Autoconf: Exclude generated sources from tarball and fix "make distcheck".. Fixes: . Approved by Łukasz Zemczak.