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: (24 commits)
  GIT 1.4.4.1
  trust-executable-bit: fix breakage for symlinks
  Move --pretty options into Documentation/pretty-formats.txt
  Doc: Make comment about merging in tutorial.txt more clear
  archive: use setvbuf() instead of setlinebuf()
  Teach SubmittingPatches about git-commit -s
  do_for_each_ref: perform the same sanity check for leftovers.
  git-fetch: follow lightweit tags as well.
  Documentation: Correct alternates documentation, document http-alternates
  Documentation: Define symref and update HEAD description
  Document git-runstatus
  git-apply: slightly clean up bitfield usage
  sparse fix: Using plain integer as NULL pointer
  sparse fix: non-ANSI function declaration
  git-apply: Documentation typo fix
  Fix git-for-each-refs broken for tags
  "git fmt-merge-msg" SIGSEGV
  git-pull: allow pulling into an empty repository
  convert-objects: set _XOPEN_SOURCE to 600
  Run "git repack -a -d" once more at end, if there's 1MB or more of not-packed data.
  ...