#388 Fixed Jersey 2 sample.

Fixed the java-jersey2 sample.

Note, I commented out https://github.com/donovanmuller/swagger-core/compare/wordnik:master...master#diff-ea1b56fef157ff7f7004562f6a08e706R45 because of https://github.com/donovanmuller/swagger-core/compare/wordnik:master...master#commitcomment-4764883.