Merged from trunk 5521:5533

Merged from trunk 5521:5533

rework test import code, rename test_vercmp to be more generic, add
tests for =* glob matches (WarnerBro)

Make the tests pass.

Fix Fail test (WarnerBro)

Take Genone's suggestion and break the modules up into module oriented
fashion.  Tests for portage.py go in portage/ and so on and so forth...
(WarnerBro)

shift test cases around (WarnerBro)

shift test cases around (WarnerBro)

rename atoms back to vercmp (WarnerBro)

split out util tests (WarnerBro)

remove monolithic test (WarnerBro)

add a few tips on adding tests, and kinks in the current system, I hope
to fix the import bug soon (WarnerBro)

Fix module loading.

Fix sys.path so that imports work correctly.

svn path=/main/branches/prefix/; revision=5615