There were a few bugs present with body-top/body-bottom and comments in the

header view. The fundamental issue seems to be that the raw value wasn't being

set correctly, due to a couple different issues (we often had the Review object

loaded but not with the right text types included, and then the data field

wasn't properly plumbed in the ready method).
There was also a problem in comments where we'd save the extraData field but

not specify the specific attrs, which caused a <p> bug.
While I was in here I cleaned up some obvious style and code-duplication issues.

Repeatedly tried adding a review, editing the header a few times, and then

  publishing the review. Previously I could very often cause the header to be

  surrounded in a <p> tag, and now I can't make it happen at all.
Ran unit tests.
Ran js-tests.