#6494: Functions to set variables and whitelist domains.
#6494: Filter out duplicates.
#6494: Let's see what happens.
#6501: Replace double-quotes with single-quotes.
#6494: Commas not allowed.
#6494: Click is for links, press is for buttons.
Fix the whitelist test
Merge pull request #6630 from openscholar/6494-tests

Tests for whitelisting domains