MONDRIAN-1569: Makes the PentahoXmlaServlet cache the content finders per datasources url. Also added a test for it.
MONDRIAN-1569: Another small fix. The Datasource metadata was not returned.
MONDRIAN-1569: Some changes after code review.
Merge pull request #453 from lucboudreau/mondrian1569

MONDRIAN-1569: Makes the PentahoXmlaServlet cache the content finders pe...