Add support for enums as parameters to and return types of JAX-RS resource methods, also read default value of parameter from DefaultValue JAX-RS annotation when using jersey2 module
add tests for new functionality to handle enums in JAX-RS resource method parameters and return types and default values for JAX-RS parameters when using the swagger-jersey2-jaxrs module
Merge pull request #756 from saadmufti/jersey_enum

Add support for enums as JAX-RS parameters and return types