JERSEY-2612 make it possible for custom javax.ws.rs.ext.ParamConverter to handle when they are given null values (such as to support java.util.Optional for example)
JERSEY-2612 copyrights
JERSEY-2612 bumped parent version to 2.14-SNAPSHOT for test project
Merge pull request #98 from nicolasyanncouturier/JERSEY-2612

Fixed JERSEY-2612.