Bug 622: Replace tomcat with jetty in toaster distribution.

Remove virgo, update jersey, remove odl 3rd party wrapper around jersey servlet, use latest jetty, use version reference in config.ini .

Change-Id: Idd832558d0e601baca2c527391e7804c98c6851b
Signed-off-by: Tomas Olvecky <tolvecky@cisco.com>