Enable checkstyle rule to enforce package-info.java files

Change-Id: If837601380e4950b46ad1332bd3c20ef59cc216e
diff --git a/pom.xml b/pom.xml
index b9fdfe2..4686e3f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -58,6 +58,7 @@
 
         <module>tools/package/archetypes</module>
         <module>tools/package/branding</module>
+        <module>tools/build/conf</module>
         <module>bgp</module>
     </modules>
 
@@ -79,7 +80,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <onos-build-conf.version>1.0</onos-build-conf.version>
+        <onos-build-conf.version>1.1-SNAPSHOT</onos-build-conf.version>
         <netty4.version>4.0.23.Final</netty4.version>
         <copycat.version>0.5.0.onos</copycat.version>
         <openflowj.version>0.9.0.onos</openflowj.version>