Get rid of relative imports in all unittests. Now anything that

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. :)

Lib/test/test_inspect.py

@@ -62,7 +62,7 @@ class FesteringGob(MalodorousPervert, ParrotDroppings):
 # getsourcefile, getcomments, getsource, getclasstree, getargspec,
 # getargvalues, formatargspec, formatargvalues, currentframe, stack, trace
 
-from test_support import TestFailed, TESTFN
+from test.test_support import TestFailed, TESTFN
 import sys, imp, os, string
 
 def test(assertion, message, *args):