Implemented top level menu
added css style for menu
Merge branch 'gh-pages-menu' into gh-pages
moved index.html to get it out of the way for jekyll new command
fixed blue color of menu mouseover
q
made index page markup page
made main content area wider
wrote documentation for all sub-commands
html title is build from site.name and page.title
wrote release notes for release 2.0
fixed styling issues with code blocks and screen resize
display example 2d graph image at the home page
provide 2d graph example
Added release 2.0
Merge branch 'gh-pages-jekyll' into gh-pages