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: (34 commits)
  gitweb: move highlight config out of guess_file_syntax()
  SubmittingPatches: Cite the 50 char subject limit
  SubmittingPatches: Clarify the Signed-off-by rules
  upload-pack: remove unused "create_full_pack" code in do_rev_list
  Git 1.7.2.1
  Git 1.7.1.2
  Git 1.7.0.7
  config --get --path: check for unset $HOME
  commit: remove full stop from usage help for -u
  Clarify help message when no remote is specified in fetch/pull.
  Makefile: add check-docs exception for gitrevisions
  Fix 'git' wrapper usage string
  tests: Ignore the Test::Harness .prove file
  Documentation/git-push: Explain status output in more detail
  Document receive.denyDeleteCurrent
  Cast execl*() NULL sentinels to (char *)
  git-read-tree.txt: acknowledge the directory matching bug in sparse checkout
  INSTALL: configure /etc/xml/catalog to build docs on Cygwin
  t3700-add: fix dependence on stdout and stderr buffering
  git-rebase--interactive.sh: use printf instead of echo to print commit message
  ...