Add git-hook for README.md
Make pre-commit executable.
put message in pre-commit hook.
Fix create-githook-symlinks
Fix create-githook-symlinks
Fix create-githook-symlinks
Remove failed attempt at image links in README.rst
Fix pre-commit hook to add README.md so changes are included in commit.
toctree in README back down to 2.
Update README with information about githooks.