(Bug 5073) Set celerity background color to white

Should always have been white. Oops
(Bug 5073) Move foundation.scss and normalize.scss

From htdocs/scss => htdocs/scss/foundation/
(Bug 5073) Fix outline: none on focused links

We *like* it.

Also includes normalize; just realized it's not been included
Merge pull request #605 from afuna/foundation-conversion-feedback-bug5073

(Bug 5073) Fix outline: none, adjust some things I noticed..