Organizes the php scripts used for testing better, so that the whole logic of a unit, server-side and client-side, is contained within the unit itself. Nearly all ajax unit tests take advantage of the new 'framework'. Lots of files got deleted because they became redundant or weren't used anymore.

test/data/evalScript.php

@@ -1 +0,0 @@
-ok( "<?php echo $_SERVER['REQUEST_METHOD'] ?>" === "GET", "request method is <?php echo $_SERVER['REQUEST_METHOD'] ?>" );