rewrite much of basics.html to suit the needs of the site
finish up text for the main three description pages
remove unnecessary sub-pages
Merge pull request #3 from djmitche/tardyp-text

Text rewrite
remove unusd file
simplify jade, shrink the jumbotron
fix nesting of head elements, footer script
move all descriptive content into index
Merge branch 'master' of github.com:buildbot/buildbot-website
fix some coffeLint warnings
new layout with main content on single page, plus about and contact pages
fix description to match onscreen title
fix link to metabuildbot
fix trac links
fix the ribbon scrollbar bug

switched to the ribbon code as recommended by benoit

Signed-off-by: Pierre Tardy <pierre.tardy@intel.com>