Update jetty version.

[attadanta]

The current version of the jetty server prevents the resource view to render blank nodes. Here's a stack trace related to the problem:

org.apache.jasper.JasperException: javax.el.ELException: java.lang.IllegalAccessException: Class javax.el.BeanELResolver can not access a member of class java.util.HashMap$KeySet with modifiers "public"
  at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
  at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:492)
  at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:378)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
  at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:698)
...
Caused by:
javax.el.ELException: java.lang.IllegalAccessException: Class javax.el.BeanELResolver can not access a member of class java.util.HashMap$KeySet with modifiers "public"
  at javax.el.BeanELResolver.invokeMethod(BeanELResolver.java:781)
  at javax.el.BeanELResolver.invoke(BeanELResolver.java:528)
  at javax.el.CompositeELResolver.invoke(CompositeELResolver.java:257)
  at com.sun.el.parser.AstValue.getValue(AstValue.java:134)
  at com.sun.el.parser.AstValue.getValue(AstValue.java:183)
...
Caused by:
java.lang.IllegalAccessException: Class javax.el.BeanELResolver can not access a member of class java.util.HashMap$KeySet with modifiers "public"
  at sun.reflect.Reflection.ensureMemberAccess(Reflection.java:110)
  at java.lang.reflect.AccessibleObject.slowCheckMemberAccess(AccessibleObject.java:262)
  at java.lang.reflect.AccessibleObject.checkAccess(AccessibleObject.java:254)
  at java.lang.reflect.Method.invoke(Method.java:599)
  at javax.el.BeanELResolver.invokeMethod(BeanELResolver.java:779)

Quickest way to reproduce, IMO:

• Set up a SPARQL server on localhost.
• Upload this model to the default graph and adjust conf.ttl accordingly.
• Start LodView with mvn jetty:run.
• Navigate to the following resource: http://dareed.eu/node/4/interior/buildingMonitor/SANLUIS/observation/activeEnergy_4_f812ba67006f4a13aec3e181e6b48128.

The proposed jetty version is the last one supporting java 1.7, as can be verified on this page.