* Use full LMS imports paths in LMS settings and urls modules
* Use full LMS import paths in Studio settings and urls modules
* Import from lms.djangoapps.badges instead of badges
* Import from lms.djangoapps.branding instead of branding
* Import from lms.djangoapps.bulk_email instead of bulk_email
* Import from lms.djangoapps.bulk_enroll instead of bulk_enroll
* Import from lms.djangoapps.ccx instead of ccx
* Import from lms.djangoapps.course_api instead of course_api
* Import from lms.djangoapps.course_blocks instead of course_blocks
* Import from lms.djangoapps.course_wiki instead of course_wiki
* Import from lms.djangoapps.courseware instead of courseware
* Import from lms.djangoapps.dashboard instead of dashboard
* Import from lms.djangoapps.discussion import discussion
* Import from lms.djangoapps.email_marketing instead of email_marketing
* Import from lms.djangoapps.experiments instead of experiments
* Import from lms.djangoapps.gating instead of gating
* Import from lms.djangoapps.grades instead of grades
* Import from lms.djangoapps.instructor_analytics instead of instructor_analytics
* Import form lms.djangoapps.lms_xblock instead of lms_xblock
* Import from lms.djangoapps.lti_provider instead of lti_provider
* Import from lms.djangoapps.mobile_api instead of mobile_api
* Import from lms.djangoapps.rss_proxy instead of rss_proxy
* Import from lms.djangoapps.static_template_view instead of static_template_view
* Import from lms.djangoapps.survey instead of survey
* Import from lms.djangoapps.verify_student instead of verify_student
* Stop suppressing EdxPlatformDeprecatedImportWarnings

This will remove imports from __future__ that are no longer needed.

https://docs.python.org/3.5/library/2to3.html#2to3fixer-future

* run python modernize

* run isort

* Fix quality

Note: this version update is backward incompatible.

ARCH-255

LEARNER-6469

request.data has become immutable under Django 1.11 for some reason.
Regardless, setting the 'id' key should be extraneous because we already
instruct the update method to use a specific pk (see kwargs) which
should be sufficient to locate the database record and update it.

with a custom patch needed by edx-platform.
Upgrade django-filter as well to v1.0.4
Import DjangoFilterBackend from the correct module - django_filter.
Add django-filter to INSTALLED_APPS.

This endpoint allows the Rapid Experiments Team to quickly update data for multiple learners.