use a request-scoped cache to keep the metadata inheritence tree around for the whole request. This means we should only do one trip to Memcached/Mongo per course per request. This is expected to keep memory utilization down

Fix/vik/peer image grading

Fix 500 errors for bug #289

Return a 403 when an anonymous user attempts to hit modx_dispatch. Fixes...

Make the django_comment_client return errors that can't be parsed as JSO...

if we parse an invalid location in the content store middleware, then re...

Display advertised date correctly if it is an ISO date

studio - corrected JQ selector for smoothscrolling in-page links

Make the django_comment_client return errors that can't be parsed as JSON just as simple strings when in an ajax context

Return a 403 when an anonymous user attempts to hit modx_dispatch. Fixes https://www.pivotaltracker.com/story/show/46916015 and https://www.pivotaltracker.com/story/show/46916029

optimize the result-set that gets returned from Mongo on metadata inheri...

optimize the result-set that gets returned from Mongo on metadata inheritence. We just need the fields which are actually inheritable, so no need to return anything else as it gets filtered out during the computation

Use get_many and set_many to cut down on the number of metadata trees to...

Use get_many and set_many to cut down on the number of metadata trees to retrieve, and only retrieve them once per call to _load_items

was causing 500 errors. Add test to verify that this won't
happen again.

Remove duplicate login dialog.

Add tests to advertised_start for partially parsable dates

Use advertised_start as a simple string

LMS Lighthouse [#297]

Allow clearing of dates (except for course start date).

it appears we are taking one too many round trips to do when pre-fetchin...

add a test scenario to count RT to database when prefetching children. This uses a shim function on pymongo's collection.find to do the counting