formatting popup design work
Fix BL-176, books would not auto-update when national lang is changed

This will only work for new books or books that have undergone an
"update book" command.

The jade mixins make use of this; existing xmatter pages will need to
be re-compiled from jade to get the changes.
Merge pull request #74 from BloomBooks/BL-176_ChangeToNationalLang

Bl176 update xmatter fields when user changes national language of the collection