STANBOL-893: engine now works with enabled SecurityManager; Engine uses now the NlpEngineHelper utility to get/create the AnalyzedText content part

git-svn-id: https://svn.apache.org/repos/asf/stanbol/trunk@1436849 13f79535-47bb-0310-9956-ffa450edef68
STANBOL-895: engine now works with enabled SecurityManager

git-svn-id: https://svn.apache.org/repos/asf/stanbol/trunk@1436851 13f79535-47bb-0310-9956-ffa450edef68