As a staff user, I want wrap and tag options for notes that are schema compliant

Here is the current definitions:
https://github.com/archivesspace/archivesspace/blob/master/frontend/app/assets/javascripts/mixed_content.config.js

There has been a lot of back and forth on this issue, but it seem that we now are expecting to always wrap note content ( with the exception of note_type == abstract ), with <p> tags. This will need to be communicated, but if we proceed with this, wrap-and-tag suggestions can include tags included in the "May Contain" of the <p> ( http://www.loc.gov/ead/tglib/elements/p.html )