reminder

["Jason C. Yang" <jcyang@MIT.EDU>]

There is an update on the web page, but they're really just a reminder, so 
nothing's new.

=>Remember, your assignment is to make a Sphere scan converter (ie. a 
Sphere class with the minimum interface methods). The test code is only a 
test, which we still want to see on your web page. So you shouldn't modify 
it. We could use your Sphere.class file in our own test program.

=>If you make any additional applets (including modified versions of the 
test applet) include them on your web page, but we still want to see the 
three test applets