[FEATURE] Checkstyle violations fail the Build

pom.xml

@@ -65,6 +65,27 @@
         <artifactId>maven-site-plugin</artifactId>
         <version>3.0-beta-3</version>
       </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-checkstyle-plugin</artifactId>
+        <version>2.11</version>
+        <executions>
+          <execution>
+            <id>validate</id>
+            <phase>validate</phase>
+            <configuration>
+              <configLocation>${basedir}/src/main/config/checkstyle.xml</configLocation>
+              <encoding>UTF-8</encoding>
+              <consoleOutput>true</consoleOutput>
+              <failsOnError>true</failsOnError>
+              <linkXRef>false</linkXRef>
+            </configuration>
+            <goals>
+              <goal>check</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>   
     </plugins>
   </build>
   <reporting>