added petstore-client example to show client code generation
renamed bookstore example
bragger-core 1.2.3-SNAPSHOT: better wsdl generation in order to properly generate client stubs from it
play2-bragger 1.2.3-SNAPSHOT, renamed a class
petstore sample using 1.2.3-SNAPSHOT version, removed codegen as there is now an example only for that, changed jaxb annotation for lists