Merge branch 'master' of git://git.kernel.org/pub/scm/git/git

Merge branch 'master' of git://git./git/git

* 'master' of git://git.kernel.org/pub/scm/git/git:
  shortlog: fix segfault on empty authorname
  shortlog: remove "[PATCH]" prefix from shortlog output
  Make sure the empty tree exists when needed in merge-recursive.
  Don't use memcpy when source and dest. buffers may overlap
  no need to install manpages as executable
  Documentation: simpler shared repository creation
  shortlog: fix segfault on empty authorname
  Add branch.*.merge warning and documentation update
  Fix perl/ build.
  git-svn: use do_switch for --follow-parent if the SVN library supports it
  Fix documentation copy&paste typo
  git-svn: extra error check to ensure we open a file correctly