changes made to sanitize the urls for consistent comparison - BOM-992

Expose user course duration in the user metadata

REV-943

[REV-728] add discount percentage configuration

Logs added to investigate the middleware

changes made to finalize the url sanitization to make url comparison consistent

changes made to avoid running sanitize in python 2

changes made to substitute proper query param in url for comparison

changes made to split and compare the query parameter with expected url

updated the split logic to properly split/slice url parts for comparison

updated the dashboard template to remove encode and avoid bytes encoded embeded url

updated the dashboard template to enclose social media urls with unicode

BOM-968

BOM-981

BOM-949

BOM-987

BOM-964

BOM-989

* fix type mismatch in third_party_auth migrations

* fix type mismatch in verify_student  migrations

* fix type mismatch in video_config  migrations

* fix type mismatch in verified_track_content  migrations

* fix type mismatch in commercemigrations

* fix type mismatch in xblock_config migrations

* fix type mismatch in course_creators migrations

* fix type mismatch in contentstore migrations

Allow empty order numbers in django admin for Entitlements

Pass back the answer html as a string instead of bytes.

* fix type mismatch in course_goals  migrations

* fix type mismatch in experiments  migrations

* fix type mismatch in xblock_django  migrations

* fix type mismatch in catalog  migrations

* fix type mismatch in static_replace  migrations

* fix type mismatch in bulk_email  migrations

* fix type mismatch in course_overviews migrations

* Fix type mismatches in the course_modes migrations

* Fix type mismatches in the course_action_state migrations

* Fix type mismatches in the schedules migrations

* Fix type mismatches in grades migrations

* Fix type mismatches in video_pipeline

* Fix type mismatches in api_admin

* Fix mismatches in credential migrations

We did this already for the 'get_html' function for a capa problem but
there wasn't a test to ensure this works correctly for the
get_question_answer function that powers the show answer button.

I ran into it while doing a quick smoke test on the python 3 sandbox.

shoppingcart: Explicitly Set fields to unicode to avoid migration

Improve logging against Problem grade report

django_comment_common: Explicitly Set fields to unicode to avoid migration

Fixing migrations.

Fixing migrations.

-bumped edx-proctoring version

BOM-947

BOM-946

student: Explicitly Set fields to unicode to avoid migration

BOM-951