java 1.5

git-svn-id: https://svn.apache.org/repos/asf/incubator/kalumet/trunk@1565552 13f79535-47bb-0310-9956-ffa450edef68
upgrade slf4j

git-svn-id: https://svn.apache.org/repos/asf/incubator/kalumet/trunk@1565553 13f79535-47bb-0310-9956-ffa450edef68