Set POM to use Jena 2.10.2-SNAPSHOT; add version to javadoc page titles

git-svn-id: https://svn.apache.org/repos/asf/jena/trunk@1487855 13f79535-47bb-0310-9956-ffa450edef68
Set POM to use Jena 2.10.2-SNAPSHOT; add version to javadoc page titles

git-svn-id: https://svn.apache.org/repos/asf/jena/trunk@1487856 13f79535-47bb-0310-9956-ffa450edef68