fix policy publisher issues

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@178940 a5903396-d722-0410-b921-86c7d4935375
fix xacml request creating issues

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@178941 a5903396-d722-0410-b921-86c7d4935375
fix policy publisher issues

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@178942 a5903396-d722-0410-b921-86c7d4935375