QueryLanguage.toString + tests
QueryLanguage.isEquivalent + tests
update CQL box in response to query changes
Add filter screenshot & update screenshots
address code review comments
move hasInitialized out of state
sort arrows reflect multiple sort bys
remove hasInitialized
update screenshots after rebasing
remove refs.input checks
Merge pull request #306 from hammerlab/cql-sort-sync

Keep CQL box in sync with the page