Merge branch 'for-junio' of git://bogomips.org/git-svn

* 'for-junio' of git://bogomips.org/git-svn:
  git-svn: use SVN::Ra::get_dir2 when possible
  git-svn: add space after "W:" prefix in warning
  git-svn: (cleanup) remove editor param passing
  git-svn: prepare SVN::Ra config pieces once
  Git.pm: add specified name to tempfile template
  git-svn: disable _rev_list memoization
  git-svn: save a little memory as fetch progresses
  git-svn: remove unnecessary DESTROY override
  git-svn: reload RA every log-window-size
  git-svn.txt: advertise pushurl with dcommit
  git-svn: remove mergeinfo rev caching
  git-svn: cache only mergeinfo revisions
  git-svn: reduce check_cherry_pick cache overhead
  git-svn: only look at the root path for svn:mergeinfo
  git-svn: only look at the new parts of svn:mergeinfo