pearson registration - revised rejection message text on dashboard, synced up email edx link text, revised contact styles/markup to remove giant red button dashboard for rejections

clear upload_status if user makes changes to TestCenterUser or TestCenterRegistration (so the change is pending, rather than rejected)

pearson registration - resolved box-sizing display issue that caused form fields to not show text/be editable in Firefox/Mozilla

Lets explicitly make the virtualenvs for now.

Add a try/catch so that Askbot removal doesn't die if there's no Askbot ...

Feature/brian/pearson reg

Feature/victor/beta testers

Update to the FAQ page

display client_candidate_id when registration accepted; strip whitespace from accommodation_request; cosmetic cleanup on pearson management commands.

Feature/vik/add staff grading notifications

Perform merge from master, including renumbering of migrations in common/djangoapps/student/migrations

pearson registration - restyled and tweaked markup for registration closed message and styled disabled labels appropriately

Feature/vik/add peer grading notifications

Temporary workaround to our bizarre jenkins/numpy issue.  

remaining:
 * support putting multiple names / emails in the big box we now have

* still needs to support uploading a list
* also want to clean up and refactor the code a bit