Drupal: Fix test so that it works with both CMS and LMS settings

Ensure CSRF cookie is present for login and registration pages

Make "access courseware" buttons for marketing site break out of iframes

Fix Lettuce Tests for Drupal site

Fix marketing links in password reset pages

the actual urls

getting closed fast enough.

Disable courseware links on marketing site and dashboard if courseware is not accessible

LMS Notes Djangoapp

Jarv/move edx requirements

If a course is not started, the course image and title on the dashboard link
to the course about page. Because the LMS course about pages do not exist
(i.e. 404) with the marketing site enabled, we simply do not use a link if
the course has not started.

If a user is already registered for a course but the course has not started
yet, display a grey button that says "you are registered" and goes nowhere
instead of the blue "access courseware" button, which goes to the LMS course
about page (which 404s).

Feature/will/ci lettuce tests

Resolved conflict with changes to Rakefile in master

Conflicts:
	rakefile

Merge branch 'feature/will/ci-lettuce-tests' of https://github.com/edx/edx-platform into feature/will/ci-lettuce-tests

Install python prereqs before trying to run django or install requiremen...

Studio - Resolving incorrect Sans Serif Sass Variable Definition