Merge git://git.bogomips.org/git-svn

* git://git.bogomips.org/git-svn:
  git-svn: convert SVN 1.5+ / svnmerge.py svn:mergeinfo props to parents
  git-svn: add test data for SVN 1.5+ merge, with script.
  git-svn: convert SVK merge tickets to extra parents
  git-svn: allow test setup script to support PERL env. var
  git-svn: add test data for SVK merge, with script.
  git svn: fix fetch where glob is on the top-level URL