JSPWIKI-770: added jspwiki-it-test-container and jspwiki-it-test-container-jdbc modules. Still some bits of refactor remaining + the IT tests are assuming english language, but the base configuration is finished

git-svn-id: https://svn.apache.org/repos/asf/incubator/jspwiki/trunk@1487137 13f79535-47bb-0310-9956-ffa450edef68