Need more "finger pointer" cursors

[gwhitney]

In list view in switchers, the mouse should be a "finger pointer" over the list, so it is clear it is clickable.
The sequence and visualizer names should also have "finger pointer" upon mouseover.

These were bugs (4) and (5) from #510.

[gwhitney]

Completed in ui2 via #516. Closing.