Create a jquery widget for visual table comparison

Currently only binary mode is supported.
Improve demo, use more colorblind friendly defaults for binary mode.
Create README.md
Add a deviation vis mode with linear interpolation in the lightness (HSL) space.
Merge branch 'master' of github.com:zachmullen/table-compare
Clamp lightness to [0.25, 1] instead of [0, 1]

Otherwise our extreme highs become indistinguishable from our
extreme lows
add apache 2 license notice
Style fixes.
Merge pull request #1 from cpatrick/jshint

Style fixes.
moved demo to index for ease of display in gh-pages
link to demo gh-pages site
Merge branch 'master' into gh-pages

Conflicts:
	index.html