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-upload-pack: make sure we close unused pipe ends
  --pretty=format: fix broken %ct and %at interpolation
  use xrealloc in help.c
  read-tree: use xcalloc
  Fix "getaddrinfo()" buglet
  Makefile: remove test-chmtime program in target clean.
  gitweb: Cleanup and uniquify die_error calls
  sha1_file.c (write_sha1_file): Detect close failure
  git.el: Display some information about the HEAD commit.
  Document git-log --first-parent
  Bisect: add checks at the beginning of "git bisect run".
  sha1_file.c (write_sha1_from_fd): Detect close failure.
  git-rm: don't remove newly added file without -f
  Bisect: Use "git-show-ref --verify" when reseting.
  gitweb: Add example of config file and how to generate projects list to gitweb/INSTALL