Add tests for driver region changes and remove old style driver class per region tests.
Add tests for driver region changes and remove old style driver class
per region tests.

andrewsomething/libcloud,mistio/libcloud,apache/libcloud,Kami/libcloud,apache/libcloud,apache/libcloud,Kami/libcloud,andrewsomething/libcloud,mistio/libcloud,andrewsomething/libcloud,Kami/libcloud,mistio/libcloud