What's in git.git (stable)

There are a few more fixes destined for maint, being tested in next first.

* The 'maint' branch has these fixes since the last announcement.

Michele Ballabio (1):
  parse-options.c: fix documentation syntax of optional arguments

Stephan Beyer (3):
  api-builtin.txt: update and fix typo
  api-parse-options.txt: Introduce documentation for parse options API
  Extend parse-options test suite

* The 'master' branch has these since the last announcement
  in addition to the above.

Jakub Narebski (2):
  gitweb: Separate filling list of projects info
  gitweb: Separate generating 'sort by' table header

Jeff King (5):
  fix whitespace violations in test scripts
  mask necessary whitespace policy violations in test scripts
  avoid whitespace on empty line in automatic usage message
  avoid trailing whitespace in zero-change diffstat lines
  enable whitespace checking of test scripts

Junio C Hamano (1):
  diff -c/--cc: do not include uninteresting deletion before leading
    context

Karl Hasselström (2):
  Clean up builtin-update-ref's option parsing
  Make old sha1 optional with git update-ref -d

Linus Torvalds (3):
  racy-git: an empty blob has a fixed object name
  Make git_dir a path relative to work_tree in setup_work_tree()
  Shrink the git binary a bit by avoiding unnecessary inline functions

Marius Storm-Olsen (3):
  Add an optional <mode> argument to commit/status -u|--untracked-files
    option
  Add argument 'no' commit/status option -u|--untracked-files
  Add configuration option for default untracked files mode

Nanako Shiraishi (2):
  environment.c: remove unused function
  config.c: make git_env_bool() static

Pieter de Bie (1):
  builtin-fast-export: Add importing and exporting of revision marks

Rafael Garcia-Suarez (1):
  gitweb: remove git_blame and rename git_blame2 to git_blame

René Scharfe (1):
  Teach new attribute 'export-ignore' to git-archive