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: (32 commits)
  git-blame: somewhat better commenting.
  Make fsck and fsck-objects be builtins.
  git-commit -s: no extra space when sign-offs appear at the end already.
  Replace perl code with pure shell code
  lock_any_ref_for_update(): do not accept malformatted refs.
  git-fsck-objects is now synonym to git-fsck
  [PATCH] Rename git-repo-config to git-config.
  Heavily expanded update hook to send more useful emails than the old hook
  UNIX reference time of 1970-01-01 00:00 is UTC timezone, not local time zone
  Teach for-each-ref about a little language called Tcl.
  Add a sample program 'blameview' to show how to use git-blame --incremental
  git-push through git protocol
  Document 'git-blame --incremental'
  Documentation/config.txt: Fix documentation of colour config tweaks.
  wt-status: Actually accept `color.status.BLAH' configuration variables.
  git-blame --incremental: don't use pager
  Compute accurate distances in git-describe before output.
  Update describe documentation.
  Teach git-describe to display distances from tags.
  git-blame --porcelain: quote filename in c-style when needed.
  ...