Add browser compatibility to readme.
Merge branch 'gh-pages' of https://github.com/mlandis/phylowood into gh-pages

* 'gh-pages' of https://github.com/mlandis/phylowood:
  Changed "colorblind" to "redless" and "greenless"
  Set h5n1 to be colorblind eg, vireya to be userdefined eg.
  Added colorblind and user-defined color types.
Fix latex compile.