BVAL-398 make validateReturnValue throw an exception if the method has no return value
BVAL-398 make validateReturnValue throw an exception if the method has no return value

gunnarmorling/beanvalidation-spec,beanvalidation/beanvalidation-spec,beanvalidation/beanvalidation-spec,beanvalidation/beanvalidation-spec,gunnarmorling/beanvalidation-spec,gunnarmorling/beanvalidation-spec