Removing banner advertising hackathons from landing page.
Styling and wording tweaks on easy admin page.
Merge branch 'master' of github.com:learningequality/ka-lite into release-central
Adding custom validation
Fixes both issues in #880; styling issue due to missing </div> closing tag.
Change wording of subscribe checkbox
checking box by default
Ignore unknown logs.  This is important for when exercises or videos get removed from the topic tree.
Merge pull request #952 from bcipolli/ignore_unknown_ids

Ignore unknown logs.  This is important for when exercises or videos get removed from the topic tree.
fixing decorator bug and other bugs long fixed ago