Updating the version of NrJavaSerial used by the WattsUp Meter.

In a commit in January 2016 for the ASCETiC project the version was
updated as a workaround for serial device driver bugs in Windows that
causes the JNI lib to crash the JVM on connecting to the meter. This
therefore matches this change.

wattsup-jsdk-core/pom.xml

@@ -16,7 +16,7 @@
 	<properties>
 		<license-header-file>${basedir}/../LICENSE</license-header-file>
 		<checkstyle.file>${project.basedir}/../checkstyle.xml</checkstyle.file>
-		<nrjavaserial.version>3.8.8</nrjavaserial.version>
+		<nrjavaserial.version>3.11.0</nrjavaserial.version>
 		<dropwizard.version>0.6.2</dropwizard.version>
 		<jdbi.version>2.51</jdbi.version>
 		<joda-time.version>2.2</joda-time.version>