- Spring: 4.3.6 -> 4.3.12 
  - CXF: 3.1.10 -> 3.2.1
  - JAX-RS (javax.ws.rs-api): 2.0.1 -> 2.1
  - Added org.json:json and org.everit.json.schema to dep management
- Upgraded OWASP dependency-check maven plugin: 1.4.4.1 -> 3.0.1
- Added XacmlStatusCode enum class for standard XACML 3.0 status codes