FIX: By default Jetty 8 is used because the default java version is 1.6.
FIX: By default Jetty 8 is used because the default java version is 1.6.

Fix #1.

hipsnip-cookbooks/jetty,kainam00/jetty,kainam00/jetty,chaordic/jetty,kainam00/jetty,dronematch/jet,dronematch/jet,dronematch/jet