Merge branch 'jc/apply'

* jc/apply:
git-apply --reject: finishing touches.
apply --reject: count hunks starting from 1, not 0
git-apply --verbose
git-apply --reject: send rejects to .rej files.
git-apply --reject
apply --reverse: tie it all together.
diff.c: make binary patch reversible.
builtin-apply --reverse: two bugfixes.