fixed a tiny bug that loading icon sometimes doesn't appear at the right place / doesn't go away

Switch django-wiki dependency to a clone in our org

Set request.user = student when impersonating a student

Important fix! Remove HTML tags from Markdown code.

Do URL replacement in course info page

Added a log in button to the courseware when unauthenticated

- only relevant in tests due to start dates
- still irritatingly intricate logic...

* currently only in the staff view of student progress page

[Fix #34379687]

empty default for comments_service_key and comments_url because it was b...

empty default for comments_service_key and comments_url because it was breaking configs that do not have it in env.json

Added SECURE_PROXY_SSL_HEADER to env/aws. Re-enabled wiki directories

Fixed WikiPath regexp.

fix inline discussion

fixed profiled user id (toggle moderator status)

fix wiki falsh message

admin page should be loaded based on settings.DEBUG not askbot