Move the maps.css overrides to the end, so they aren't overridden by the vendor stylesheets.
Fix the leaflet-draw icons by overriding the CSS.
Fix bug where changing to the map tab didn't display the map properly.

When it's hidden, the size of the map is 0px by 0px, and unhiding it doesn't
force a size recalculation. This code is from the recline.js docs.
Remove stray debugging.