CQL QueryBox in the Examine page.

I've ripped out the filter boxes for individual columns in favor of the
monolithic search box. Typing "ORDER BY sample:GQ" will update the
sort arrows in the appropriate column. The inverse (clicking the arrow)
doesn't update the query (yet!).

This also renames a few things to be more uniform.
cleanup
cleanup
Merge pull request #226 from hammerlab/cql-box

CQL QueryBox in the Examine page.