downgrade tomcat version not my goal currently to search what has changed in 7.0.52 :-)

git-svn-id: https://svn.apache.org/repos/asf/incubator/sirona/trunk@1572429 13f79535-47bb-0310-9956-ffa450edef68
start adding batch storing for PathTracking

git-svn-id: https://svn.apache.org/repos/asf/incubator/sirona/trunk@1572430 13f79535-47bb-0310-9956-ffa450edef68