Refactoring Embeddable Answers
Only one set of print/close buttons

[#57596722] These are just commented out if we want to replace them later.

https://www.pivotaltracker.com/story/show/57596722
Page and summary navigation layout fixes

For [#53812235] and [#49305717]

https://www.pivotaltracker.com/story/show/49305717
https://www.pivotaltracker.com/story/show/53812235
Fixing bug with multiple 'layout' statements

The second statement was overriding the first, so even though they didn't conflict the first wasn't working. Moved layout decisions to a private method.