learningequality/ka-lite — pull request #627 by bcipolli (2013-09-03 04:48:51+00:00)
Title: clean up control panel queries

cleanup for efficiency 2 of 3: control panel facility usage page.
for 20 students / 2 groups, reduced from 133 queries to 16 queries.
This was taking upwards of 3s on my macbook air; now 323ms