[maven-release-plugin] prepare for next development iteration
Fixed duplicate resolver ID exception message
Fixes and test cases for marshalling of Xacml 2.0 Responses
Added project tracking
Added test case to test obligation marshalling
xacml4j-23 Implement Obligation AttributeAssignment evaluation
Added test case from XACML 2.0 Specification
Merge branch 'xacml4j-23' into 1.3.x

Backported fix for #23 into 1.3.x branch