Installed Foundation.

We had to pull the latest version of foundation.js from the repo
to work around a bug ("Layer must be a document node"). Once
rails-foundation 5.0.3 is released, we should be able to upgrade
and remove vendor/assets/javascripts/foundation.js.
Customized Foundation design.

* enhanced legibility
* Christmas colors
* tidier tables
Split santa row view into multiple subviews.

So that when we add the delete recipient button it can know what its
recipient is.
Added "delete recipient" button.