Remove the repeating word 'Genus:' from the results list view.

Make the list easier to scan without that repeating initial word.
Cut obsolete clear divs from the Level 3 markup. (#308)
Revise the Level 3 layout markup and styles for small screens.

Allow 2 and 3 columns of results in portrait and landscape orientations,
respectively. Eliminate horizontal scrolling. (#308)
Rebuild production JS file.
Merge branch 'smallscreen-308'