Switch to using the notice-based regulation version
First, super-lame draft of notice pages
Tests for notices, new api methods
Add [S] with a link to indicated section-by-section analyses
Convert toc, interpretations, analyses into paragraph-level layers.
Make sure interpretations layer points to correct id
Add some tests for html builder and analyses layer
Merge pull request #28 from cmc333333/notice-layer

Notice layer + refactor Interpretation