Merge branch 'maint'

* maint:
  gitweb: Check git base URLs before generating URL from it
  Documentation: add git in /etc/services.
  Documentation: add upload-archive service to git-daemon.
  git-cherry: document limit and add diagram
  diff-format.txt: Correct information about pathnames quoting in patch format

diff --cc gitweb/gitweb.perl
Simple merge