* mm/mediawiki-usability:
git-remote-mediawiki: allow page names with a ':'
git-remote-mediawiki: fix incorrect test usage in test
git-remote-mediawiki: properly deal with invalid remote revisions
git-remote-mediawiki: show progress information when getting last remote revision
git-remote-mediawiki: show progress information when listing pages
git-remote-mediawiki: use --force when adding notes
git-remote-mediawiki: get rid of O(N^2) loop
git-remote-mediawiki: make mediafiles export optional
git-remote-mediawiki: actually send empty comment when they're empty
git-remote-mediawiki: don't split namespaces with spaces