[PATCH 0/5] Rework diff options

This patch series cleans up diff output format options.

This makes it possible to use any combination of --raw, -p, --stat and --summary options and they work as you would expect.

These patches passed all tests but patch 2/5 is quite intrusive...

 b/builtin-diff-files.c  |   10 +-
 b/builtin-diff-index.c  |    4 
 b/builtin-diff-stages.c |    3 
 b/builtin-diff-tree.c   |    3 
 b/builtin-diff.c        |   74 ++++++-----------
 b/builtin-log.c         |   12 +-
 b/combine-diff.c        |   45 +++-------
 b/diff.c                |  207 +++++++++++++++++++++++-------------------------
 b/diff.h                |   29 +++---
 b/git-merge.sh          |    3 
 b/log-tree.c            |   15 ++-
 b/revision.c            |    5 -
 12 files changed, 196 insertions(+), 214 deletions(-)