fixing classpath usage + datasource versinoing sample

git-svn-id: https://svn.apache.org/repos/asf/tomee/tomee/trunk@1588078 13f79535-47bb-0310-9956-ffa450edef68
opps forgot assembler update in previous commit

git-svn-id: https://svn.apache.org/repos/asf/tomee/tomee/trunk@1588079 13f79535-47bb-0310-9956-ffa450edef68