Add checkstyle:check to default goal

Author: aherbert

pom.xml

@@ -261,7 +261,7 @@ limitations under the License.
     <commons.releaseManagerKey>BC87A3FD0A54480F0BADBEBD21939FF0CA2A6567</commons.releaseManagerKey>
   </properties>
   <build>
-    <defaultGoal>clean verify apache-rat:check clirr:check javadoc:javadoc</defaultGoal>
+    <defaultGoal>clean verify apache-rat:check clirr:check checkstyle:check javadoc:javadoc</defaultGoal>
     <pluginManagement>
       <plugins>
         <plugin>