Unbreak master

This reverts commit 988bfa04.

This reverts commit 25bd32bc.

TNL-5643:
    test_lms_courseware:ProctoredExamTest.test_timed_exam_flow
TNL-4132:
    test_lms_matlab_problem:MatlabProblemTest.test_run_code
TNL-5582:
    test_studio_course_info.UsersCanAddUpdatesTest.test_delete_course_update
TNL-5691:
    test_account_settings.AccountSettingsPageTest.test_full_name_field

Potential Grades revert PR

This reverts commit 2ec95262.

Handle null weighted_possible values safely.

Added number receipt to the PDF filename

Lower case the term partner manager in UI strings

Rather than failing, treat them as unscored blocks.

[TNL-5689](https://openedx.atlassian.net/browse/TNL-5689): Server error when
checking a problem.

fire SCORE_CHANGED on student state reset

Leverage the catalog's exclude_utm parameter

We don't need stripping code on this end anymore. This closes out ECOM-5782.

Hotfix 2016-09-29b release to master

Drop noisy grades logging to debug level

Update translations (autogenerated message)

Install pa11ycrawler v1.5.4 from PyPi

Update grade when CAPA problem state is reset

These need to be dropped down to avoid splunk, as they are currently
flooding our infrastructure.

Fixed keyboard focus remains within modal simulated dialogs.

Merging Django 1.8.15 upgrade hotfix to master.

Fixes DOC-3360 to make help context-sensitive

WL-612 Report buttons are not displayed for White Label courses

Upgrade Django to 1.8.15

ECOM-4188
ECOM-5303

Create test to exercise grading multiple block types

TNL-5686

ECOM-5820 Rename completed order event

set neo4j configuration at the command line

mobile api filter enrollments by org

Christina/merge release

removed git commit from codecov call

Prevent url.min.js from being loaded outside a bundle