no jira - update dependency version of Jackson to 2.4.2 

git-svn-id: https://svn.apache.org/repos/asf/uima/uimaj/trunk@1618979 13f79535-47bb-0310-9956-ffa450edef68
no Jira, update jira version to 2.6.1SDK

git-svn-id: https://svn.apache.org/repos/asf/uima/uimaj/trunk@1618988 13f79535-47bb-0310-9956-ffa450edef68