Aggregate RAML fragments for resources that are documented multiple times

[mduesterhoeft]

Currently we consider the resource path to be unique. If the same resource is documented multiple times we could merge the different response types or at least add the different examples.

[mduesterhoeft]

RAML 1.0 allows to define multiple examples. We could offer functionality for test methods to just provide an additional example to another documentation

See https://github.com/raml-org/raml-examples/blob/367423e7ee952c9a99fc5e478652a8537b420bb0/others/mobile-order-api/api.raml