Adding gulp as a task runner.

* Remove deprecated Rakefile in favor of node stuffz.
* Add package.json with basic info and gulpfile for task automation.
Remove non-ruby sass
Adds the appropriate flags for new gulp-ruby-sass
Add recompiled css.
Gulp.
Add rules to csslint to not show important flags also
doesn't show warnings about "known-properties".
Adds updated normalize.css
Updates compiled css.