learningequality/ka-lite — pull request #952 by bcipolli (2013-11-07 16:20:52+00:00)
Title: Ignore unknown logs.  This is important for when exercises or videos get removed from the topic tree.

Title says it all. Didn't have time to test extensively, but this needs to be a hotfix--we can really break people with this bug (500 error upon login).

@mjptak @aronasorman @wangguan59 @jamalex any time available to test this would be great.