Merge branch 'ad/bisect-cleanup'

Code and documentation clean-up to "git bisect".

* ad/bisect-cleanup:
bisect: don't mix option parsing and non-trivial code
bisect: simplify the addition of new bisect terms
bisect: replace hardcoded "bad|good" by variables
Documentation/bisect: revise overall content
Documentation/bisect: move getting help section to the end
bisect: correction of typo

diff --cc revision.c
Simple merge