Refactored course_nav middleware to isolate the django-wiki hack,
remove unnecessary code, and clarify what it's doing.
Merge pull request #2775 from edx/dcs/wiki-no-middleware

Refactored course_nav middleware to isolate the django-wiki hack, remove unnecessary code, and clarify what it's doing.
Fix Chris Terman's email address
Update OpenID dialog text

We want to indicate more clearly that the information that we transmit
to the third party is governed by their terms of service and privacy
policy.
Merge pull request #3268 from edx/ned/fix-terman-name

Fix Chris Terman's email address
Merge pull request #3270 from edx/gprice/openid-dialog-text

Update OpenID dialog text
Introducing JSHint.