Merge pull request #374 from antleblanc/master

Update .jscsrc
Fixes #375: sync recommendations (index > basic)
Improve index.html comments.
Moving styleguide around
Renaming CSS files to .scss and dropping components.css
Fixing up the html files to no longer require useref for CSS
Fixing up the styleguide to work correctly with the sass stylesheet
Fixed the gulp and gulp:serve tasks to work
Merge pull request #377 from google/comments

Improve index.html comments. Fix #360
Adding the comments from master into the branch
Rebase against master.
Merge pull request #379 from google/styles-rework

Restructure our Styles.
add spacing to css selector