Account for new interpretation structure -- greatly simplifies the template

This reverts commit c0e72ee575814bedb0881edc7ff4ba6cec9c721a.
Assume the label is in the third element, not the third + fourth

This reverts commit 9eec81c7dbb9cac59887e064c6e720ab10e41512.
Interpretation headers should appear as h3s and h4s
Merge upstream
Merge pull request #171 from theresaanna/master

Cleanup, TOC Casper test and setup
Merge pull request #167 from cmc333333/revert-revert

Account for the stream-lined interpretations (try 2)
Added safe filter to model form headings
Merge branch 'master' of github.com:eregs/regulations-site
Merge pull request #172 from khandelwal/master

Fixing a bug with the hard space being escaped in model form titles.
build