fix reading int and long values from Cassandra

git-svn-id: https://svn.apache.org/repos/asf/incubator/sirona/trunk@1578370 13f79535-47bb-0310-9956-ffa450edef68
start working on path tracking cassandra data retrieve

git-svn-id: https://svn.apache.org/repos/asf/incubator/sirona/trunk@1578371 13f79535-47bb-0310-9956-ffa450edef68
fix retrieving all path track entries for a trackingId

git-svn-id: https://svn.apache.org/repos/asf/incubator/sirona/trunk@1578372 13f79535-47bb-0310-9956-ffa450edef68
fix possible insertion issue on non embeded cassandra

git-svn-id: https://svn.apache.org/repos/asf/incubator/sirona/trunk@1578373 13f79535-47bb-0310-9956-ffa450edef68