Maciej Forycki

Hi. I have faced a minor issue when using JsonUnwrapped annotation together with a custom null value: null value is ignored when serializing nested objects. Here comes an example: ```...

Implementation of the ticket #641, or more precisely of the first half it: reporting `@SuppressFBWarnings` annotations which are not "hit" by any bugs. Test class: ```java @SuppressFBWarnings(value = "UUF_UNUSED_FIELD") //