Credit progress page formatting bugfixes.

* Correctly format the student's full name on the progress page.
* Add tests for progress page credit requirements display.
* Display grade percentage for credit requirement on progress page

common/djangoapps/student/tests/test_credit.py

@@ -6,7 +6,6 @@ import datetime
 
 from mock import patch
 import pytz
-from mock import patch
 
 from django.conf import settings
 from django.core.urlresolvers import reverse