Added code-coverage plugin to the top-level pom.

@@ -256,6 +256,27 @@
             </plugin>
             </plugin>
 
 
             <plugin>
             <plugin>
+                <groupId>org.jacoco</groupId>
+                <artifactId>jacoco-maven-plugin</artifactId>
+                <version>0.7.1.201405082137</version>
+                <executions>
+                    <execution>
+                        <id>default-prepare-agent</id>
+                        <goals>
+                            <goal>prepare-agent</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>default-report</id>
+                        <phase>prepare-package</phase>
+                        <goals>
+                            <goal>report</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+
+            <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-javadoc-plugin</artifactId>
                 <artifactId>maven-javadoc-plugin</artifactId>
                 <version>2.9.1</version>
                 <version>2.9.1</version>
@@ -301,7 +322,6 @@
         </plugins>
         </plugins>
     </build>
     </build>
 
 
-
     <reporting>
     <reporting>
         <plugins>
         <plugins>
             <plugin>
             <plugin>