creates 'experimental' directory and moves several files into it

moves the directories autoDriverTest, bindingTests, rotationTests and
src/valuetype

These directories had been in several different locations so few if any
will have correct paths in their test files
moves displacement serialization into serializer
runs ant graphicstests
moves point serialization into serializer
runs ant graphicstests
moves serializer into experimental/serializer directory
removes references to the serializer from build.xml
runs ant graphicstests
moves logger renderer into experimental/logger directory
removes references to logger renderer in build.xml and makegraphicstests
runs ant graphicstests