Downgraded jetty version for comptability with Java7
Downgraded jetty version for comptability with Java7

Change-Id: I38de2ca902485684e404c90e875072b65498d09e

bawn92/kurento-java,Kurento/kurento-java,EugenioFidel/kurento-java,Kurento/kurento-java,Kurento/kurento-java,bawn92/kurento-java,Kurento/kurento-java,EugenioFidel/kurento-java,bawn92/kurento-java,EugenioFidel/kurento-java,EugenioFidel/kurento-java,bawn92/kurento-java