622537), with some nitpicking editorial changes.

imports e.g. test_support must do so using an absolute package name
such as "import test.test_support" or "from test import test_support".

This also updates the README in Lib/test, and gets rid of the
duplicate data dirctory in Lib/test/data (replaced by
Lib/email/test/data).

Now Tim and Jack can have at it. :)

to stdout.  Repaired by not printing at all except in verbose mode.

Made the test about 6x faster -- envelope analysis showed it took time
proportional to the square of the # of tasks.  Now it's linear.