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:
  GIT v1.5.0-rc4
  Documentation: Add gfi to the main command list.
  Fix "git log -z" behaviour
  git-add -i: update removed path correctly.
  t4200: skip gc-rerere test on systems with non GNU date.
  fast-import: Fix compile warnings
  for-each-reflog: fix case for empty log directory
  git-clone --reference: work well with pack-ref'ed reference repository
  Add a Tips and Tricks section to fast-import's manual.
  Avoid ActiveState Perl IO in t800[12]
  Documentation: add KMail in SubmittingPatches
  Don't crash fast-import if the marks cannot be exported.
  Dump all refs and marks during a checkpoint in fast-import.
  Teach fast-import how to sit quietly in the corner.
  Teach fast-import how to clear the internal branch content.
  Minor timestamp related documentation corrections for fast-import.
  gitk: Use show-ref instead of ls-remote
  Make gitk work reasonably well on Cygwin.
  gitk - remove trailing whitespace from a few lines.