Add reminder about pushing tags
Add a hint on how to support tar.xz in git-format-archive
Merge remote-tracking branch 'upstream/master'
Fix pkgconf handling
Update gio modules after deinstalling files

This was causing the module cache file to remain as a leftover even
after all modules were removed. This could be seen with testing
devel/gio-fam-backend
Merge remote-tracking branch 'upstream/master'