hotfix: setting cache_time to 0 temporarily so that downloaded videos can be accessed.
Allow temporary cache-disable default to be overridden in local settings.
Updated build number.
HOTFIX: Fix video count bug and re-enable default caching.
Bump build number.
Styling and wording tweaks on easy admin page.
Merge branch 'master' of github.com:learningequality/ka-lite into release-central
Adding custom validation