JERSEY-2188: No way to specify an output encoding of jersey-mvc-jsp
             extension module (Always default encoding is used)

 - cannot reproduce added (integration) test-case

Change-Id: Ia0298e9e8a4c19b2c255e6cfcff10cad08bf389e
Signed-off-by: Michal Gajdos <michal.gajdos@oracle.com>
Merge "JERSEY-2188: No way to specify an output encoding of jersey-mvc-jsp              extension module (Always default encoding is used)"