Upgrade Jetty 9.3.19

Author: slandelle

pom.xml

@@ -384,7 +384,7 @@
 		<slf4j.version>1.7.25</slf4j.version>
 		<logback.version>1.2.3</logback.version>
 		<testng.version>6.9.10</testng.version>
-		<jetty.version>9.3.12.v20160915</jetty.version>
+		<jetty.version>9.3.19.v20170502</jetty.version>
 		<tomcat.version>6.0.45</tomcat.version>
 		<commons-io.version>2.4</commons-io.version>
 		<commons-fileupload.version>1.3</commons-fileupload.version>