Set default tab on more-questions dialog. (#227)
Streamline text around get-questions functions.

Remove extra text under the Get More Questions button and above
the Family and Genus filters on the desktop version (they were
already hidden on smartphone version). Make buttons on dialog
tabs read Get Questions and Add Questions. Improve small-screen
sizing of the Get More Questions button. (#227)
Improve get-questions look on small screens. (#227)
Edit get-questions instructions. (#227)
Clarify more-questions dialog labels.

Add an overall title to help stay oriented, and simplify
instructions on the Automatic tab. (#227)
Fix more-questions spacing on small screens. (#227)
Improve left-side layout while page is loading.

Make the Start Over text on the Simple Key results page stay
in position rather than moving around during loading. (#227)
List the remaining questions on the dialog. (#227)
Allow picking any of the remaining questions. (#227)
Rebuild production JS file.