Allow jetty to find webapps after version update

updated setWar method to use full context path to support new Jetty version

Cherry-picked-from: Innovar-Healthcare/BridgeLink@388cd0b
Issue: Innovar-Healthcare/BridgeLink#65
Signed-off-by: Tony Germano <[email protected]>

Author: joshmc82

server/src/com/mirth/connect/server/MirthWebServer.java

@@ -319,7 +319,7 @@ public boolean accept(File file) {
 
                 logger.debug("webApp Context Path: " + webapp.getContextPath());
 
-                webapp.setWar(file.getPath());
+                webapp.setWar(file.getAbsolutePath());
                 handlers.addHandler(webapp);
                 webapps.add(webapp);
             }
@@ -852,4 +852,4 @@ public void handle(String target, Request baseRequest, HttpServletRequest reques
             baseRequest.setHandled(true);
         }
     }
-}
+}