Use SuccessfulListResponse also in capability types

Signed-off-by: Alin Dreghiciu <adreghiciu@gmail.com>
Move response classes to directjngine plugin (will be reused)

Signed-off-by: Alin Dreghiciu <adreghiciu@gmail.com>
Use a Responses builder for ux responses

Signed-off-by: Alin Dreghiciu <adreghiciu@gmail.com>