398: return the correctAnswer from the LocalAnswerMan in the response to correct CodeQuestion submissions

Jira: BRIX-398
310: rename and cleanup CodeQuestion template (adding an xhtml version as well)

Jira: BRIX-310
359: correctly handle LocalDiscussionMan.getPosts() withComments, offset and limit params

Jira: BRIX-359
MAINT: Add overall asset version to the generated  manifest
421: update CodeQuestion to expect feedback to contain xhtml markup

- also some small refactoring while I was there (move some styling to brix.css)

Jira: BRIX-421
Bump version number from 2.0.0-rc.3 to 2.0.0-rc.4
new pearson.utils.translateNamedEntityToNumeric() function

This function still needs its translation table fleshed out, but it works.
428: adding context to habitat (required to preview SW & Journal)

Jira: BRIX-428
430: fix CodeQuestion attempts placement

- Move the attempts span into the submit-attempts div

Jira: BRIX-430
435: MultiSelect Answer Choices misaligned

Jira: BRIX-435