Support for inherited service endpoint interfaces - JAX-RPC 5.5.4

Section 5.5.4 of the JAX-RPC 1.1 specification describes how inherited service endpoint interfaces should be handled. The portType definition should include mappings for the complete set of inherited java methods.

The class ReflectiveMetaDataBuilder users the method getDeclaredMethods instead of getMethods to identify the methods so none of the methods from the super-types are mapped.