The `-v` shows a unified diff in the editor to edit the commit
message to help the user to describe the change.  The diff is
stripped and will not become a part of the commit message.

Add a note about this with the `-v` description and slightly modify
the description for the default `--cleanup` mode.

Signed-off-by: Fredrik Gustafsson <iveqy@iveqy.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Signed-off-by: Junio C Hamano <gitster@pobox.com>

Signed-off-by: Junio C Hamano <gitster@pobox.com>

"diff-highlight" (in contrib/) used to show byte-by-byte
differences, which meant that multi-byte characters can be chopped
in the middle.  It learned to pay attention to character boundaries
(assuming the UTF-8 payload).

* jk/colors:
  diff-highlight: do not split multibyte characters

Test fixes.

* jk/test-annoyances:
  t5551: make EXPENSIVE test cheaper
  t5541: move run_with_cmdline_limit to test-lib.sh
  t: pass GIT_TRACE through Apache
  t: redirect stderr GIT_TRACE to descriptor 4
  t: translate SIGINT to an exit

Documentation update.

* pt/enter-repo-comment-fix:
  enter_repo(): fix docs to match code

Documentation update.

* jz/gitweb-conf-doc-fix:
  gitweb.conf.txt: say "build-time", not "built-time"

* jk/cherry-pick-docfix:
  cherry-pick: fix docs describing handling of empty commits

* iu/fix-parse-options-h-comment:
  parse-options.h: OPTION_{BIT,SET_INT} do not store pointer to defval