Fix bug multiple choice with video. BLD-788.

The Video element contains an input with type file. When the
Check button was clicked for the multiple choice problem, the
code was acting in different ways when there as a Video on the
page and when there wasn't. This is because in the check_fd()
method there was a selector that was looking for inputs of type
file on the whole page instead of just in the current problem.
When there was a Video pn the page, the page-wide selector
returned the Video's file input, and the check_fd() method
went on believing that the multiple choice has a file input.

The correct way is to look for file inputs only in the current
element.

Added a Jasmine JavaScript unit test.

BLD-788.

Call unicode() instead of str() for textbook IDs

Will/bok choy test robustness

Disable course listing perf test

STUD-1327

django_comment_client: add unit test for (sub)comment deletion.

JIRA: FOR-470

Markhoeber/documentation/release notes 2 19 14

allow STUDENT_FILEUPLOAD_MAX_SIZE to be configured in aws.py

Grading chapter enhancements

STUD-1211

Markhoeber/documentation/stud 1316

try to get courses by django groups for non global users

STUD-1133

Have xml modulestore only load course in course_ids if provided

Adam/i18n self assessment 3

Rollback Django Debug Toolbar from 1.0.1 to 0.9.4

update strings

Due to issues with require.js and the latest version of the toolbar.
Also included a note in the requirements file explaining the situation, and what
needs to happen before this can be upgrade properly.

Conflicts:
	lms/envs/dev.py

Fix STUD-1316

Update information about rescoring submissions

This bug affected unpublishing content (and would trigger an error
message in studio). The fix was to uncouple the rendering of the studio_view
of an xblock with the student_view, so that content that wasn't in
draft mode already wouldn't be modified by early rendering of the
studio_view.

[STUD-1316]

DOC-53

Ahodges documentation sprint16

Sylvia/documentation/bld 842

STUD-1316

removed upload button in outline