Update checkstyle config

- allow empty block, as long as there's some comment

Change-Id: Idbaf727220dc9b2d301dfa19a8d3e185b1a865cd

@@ -77,6 +77,7 @@
 
 
     <properties>
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <onos-build-conf.version>1.0</onos-build-conf.version>
         <netty4.version>4.0.23.Final</netty4.version>
         <netty4.version>4.0.23.Final</netty4.version>
         <copycat.version>0.5.0.onos</copycat.version>
         <copycat.version>0.5.0.onos</copycat.version>
         <openflowj.version>0.9.0.onos</openflowj.version>
         <openflowj.version>0.9.0.onos</openflowj.version>
@@ -596,7 +597,7 @@
                         <dependency>
                         <dependency>
                             <groupId>org.onosproject</groupId>
                             <groupId>org.onosproject</groupId>
                             <artifactId>onos-build-conf</artifactId>
                             <artifactId>onos-build-conf</artifactId>
-                            <version>1.0</version>
+                            <version>${onos-build-conf.version}</version>
                         </dependency>
                         </dependency>
                     </dependencies>
                     </dependencies>
                     <configuration>
                     <configuration>
@@ -652,7 +653,7 @@
                     <dependency>
                     <dependency>
                         <groupId>org.onosproject</groupId>
                         <groupId>org.onosproject</groupId>
                         <artifactId>onos-build-conf</artifactId>
                         <artifactId>onos-build-conf</artifactId>
-                        <version>1.0</version>
+                        <version>${onos-build-conf.version}</version>
                     </dependency>
                     </dependency>
                     <!-- For Java 8 lambda support-->
                     <!-- For Java 8 lambda support-->
                     <dependency>
                     <dependency>

@@ -27,7 +27,7 @@
 
 
     <groupId>org.onosproject</groupId>
     <groupId>org.onosproject</groupId>
     <artifactId>onos-build-conf</artifactId>
     <artifactId>onos-build-conf</artifactId>
-    <version>1.0</version>
+    <version>1.1</version>
     <description>Various ONOS build settings</description>
     <description>Various ONOS build settings</description>
 
 
     <properties>
     <properties>

@@ -229,7 +229,10 @@
             <!-- ONOS alows declarations inside of switch case blocks -->
             <!-- ONOS alows declarations inside of switch case blocks -->
             <property name="allowInSwitchCase" value="true"/>
             <property name="allowInSwitchCase" value="true"/>
         </module>
         </module>
-        <module name="EmptyBlock"/>
+        <module name="EmptyBlock">
+            <!-- allow empty block, as long as there's some comment -->
+            <property name="option" value="text"/>
+        </module>
         <module name="LeftCurly"/>
         <module name="LeftCurly"/>
         <module name="NeedBraces"/>
         <module name="NeedBraces"/>
         <module name="RightCurly"/>
         <module name="RightCurly"/>