* New format: {tag}://{org}/{course}/{category}/{name}[@{revision}]
* Updated tests, code
* Added test chapter with : in url_name in toy course
* added test html page with : in url_name
* added a note to docs

Feature/victor/unique names

add manage_course_groups command to lms_migration

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

- cleaned up name loading
- clear fallbacks, including hashing content if no name specified
- log errors in error tracker for content devs to see

fixed profiled user id (toggle moderator status)

fix wiki falsh message

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