The IDDE implementation relied on a StudentModule being created for a
particular block in order to set the extended due date on that block.
Since StudentModules seem to be created on demand whenever data is
written to an attribute with Scope.user_state, it meant that if a
homework problem hadn't yet been touched by a student it was possible
that the due date extension wouldn't take effect for that problem, even
if the due date extension was successfully set for the parent unit.

This patch fixes this problem by creating new StudentModules as
necessary in order to make sure extended due dates propogate properly to
all problems in a unit.

Fix pending name changes template

Add JQuery timepicker CSS to the unit and container templates

Update (optional) Group Configuration urls to use settings.COURSE_KEY_PATTERN

Create new group configurations page

- Strings marked for translation need to be wrapped in quotes to be
string type.
- Update old post function call
- Remove extra close brackets in function definitions
- Wrap href attribute in quotes
- Move square bracket outside of translated text

Implement close_connections and drop_database on modulestores.

Add "visible_to_staff_only" field to support staff locking in Studio.

STUD-1875

Update opaque-keys library

auto-migrate old mongo to draft modulestore

Adding django default log handlers into logging configuration

Refactor split migrator

Updating release tag for July 14th, 2014

Move modulestore django settings migration code down into the modulestore layer so it works for all django-based callers.

Ahodges/dosumentation/doc719

Fixing calculator hint to display correct definition of the constant T

Create new group configurations page.

LMS-2936

Also, a bunch of ancillary cleanups.

Conflicts:
	common/lib/xmodule/xmodule/modulestore/tests/test_publish.py

Conflicts:
	cms/djangoapps/contentstore/management/commands/migrate_to_split.py
	cms/djangoapps/contentstore/management/commands/tests/test_rollback_split_course.py
	common/lib/xmodule/xmodule/modulestore/__init__.py
	common/lib/xmodule/xmodule/modulestore/mixed.py
	common/lib/xmodule/xmodule/modulestore/mongo/draft.py
	common/lib/xmodule/xmodule/modulestore/split_migrator.py
	common/lib/xmodule/xmodule/modulestore/split_mongo/split.py
	common/lib/xmodule/xmodule/modulestore/tests/test_split_migrator.py
	common/lib/xmodule/xmodule/modulestore/tests/test_split_w_old_mongo.py

Fix anonymous posts appear are labeled with the logged in user's role

Updating settings and requirements for platform to support file upload

Sarina/071414 language update

Filipino, Marathi, Serbian, Telugu, Uzbek

Clytwynec/clean up lettuce output

FOR-156

(WIP) Updated the user_id_id field of UserSignUpSource model

Bug/stud 1962