Generate copyright year in swagger template code

- exclude generated source code from checkstyle by default

Change-Id: I3f79183a8aae1f24d36558860555b5b0298cd8c3
diff --git a/tools/package/maven-plugin/pom.xml b/tools/package/maven-plugin/pom.xml
index 0b33262..608ee23 100644
--- a/tools/package/maven-plugin/pom.xml
+++ b/tools/package/maven-plugin/pom.xml
@@ -26,7 +26,7 @@
 
     <groupId>org.onosproject</groupId>
     <artifactId>onos-maven-plugin</artifactId>
-    <version>1.11-SNAPSHOT</version>
+    <version>1.13.0-SNAPSHOT</version>
     <packaging>maven-plugin</packaging>
 
     <description>Maven plugin for packaging ONOS applications or generating