Dot size 80.  Was 64.

Simplify some drawings.  Corona:  After last trial, loop.
+4 simple drawings:  Diamond, heart, cheer, dog.
+23 graphs. Total 46 graphs.

To view thumbnails, run bin/test_connectedworlds.swf
Jessica Mack may expect only tutor prompts.
Corona:  Connect.  Animate ring.
Corona: Connect. Hear sound.
Ben expects to ignore if already connected.

If already connected, play no sound.  2014-09-11 Retrace already connected.  Ben expects to not be judged.
Simplify short whiskers.
Corona: Draw rounded line.