[PATCH v6 00/11] Column display

Compared to v5 [1] this only has minor changes:

 - drop term_columns() patch because master already has that
 - style fixes
 - incorporate Ramsay's fix in option parsing code
 - make git_column_config() return either 0 or -1

[1] http://thread.gmane.org/gmane.comp.version-control.git/189758/focus=189875

Nguyễn Thái Ngọc Duy (11):
  column: add API to print items in columns
  Add git-column and column mode parsing
  Stop starting pager recursively
  column: add columnar layout
  column: support columns with different widths
  column: add column.ui for default column output settings
  help: reuse print_columns() for help -a
  branch: add --column
  status: add --column
  column: support piping stdout to external git-column process
  tag: add --column

 .gitignore                   |    1 +
 Documentation/config.txt     |   38 ++++
 Documentation/git-branch.txt |    9 +
 Documentation/git-column.txt |   53 +++++
 Documentation/git-status.txt |    7 +
 Documentation/git-tag.txt    |    9 +
 Makefile                     |    3 +
 builtin.h                    |    1 +
 builtin/branch.c             |   32 +++-
 builtin/column.c             |   62 ++++++
 builtin/commit.c             |    6 +
 builtin/tag.c                |   26 ++-
 column.c                     |  478 ++++++++++++++++++++++++++++++++++++++++++
 column.h                     |   40 ++++
 command-list.txt             |    1 +
 git.c                        |    1 +
 help.c                       |   48 ++---
 pager.c                      |    2 +-
 parse-options.h              |    2 +
 t/t3200-branch.sh            |   77 +++++++
 t/t7004-tag.sh               |   44 ++++
 t/t7508-status.sh            |   24 ++
 t/t9002-column.sh            |  161 ++++++++++++++
 wt-status.c                  |   28 +++-
 wt-status.h                  |    1 +
 25 files changed, 1110 insertions(+), 44 deletions(-)
 create mode 100644 Documentation/git-column.txt
 create mode 100644 builtin/column.c
 create mode 100644 column.c
 create mode 100644 column.h
 create mode 100755 t/t9002-column.sh