Cherry-picked 46e8ed3f in preparation for Groovy 1.8 integration

pom.xml

@@ -95,7 +95,7 @@ THE SOFTWARE.
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-install-plugin</artifactId>
           <version>2.3.1</version>
-        </plugin>        
+        </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-javadoc-plugin</artifactId>
@@ -176,7 +176,7 @@ THE SOFTWARE.
         </plugin>
       </plugins>
     </pluginManagement>
-    
+
     <plugins>
       <plugin>
         <artifactId>maven-release-plugin</artifactId>
@@ -270,6 +270,21 @@ THE SOFTWARE.
           </execution>
         </executions>
       </plugin>-->
+      <plugin>
+        <groupId>org.codehaus.groovy.maven</groupId>
+        <artifactId>gmaven-plugin</artifactId>
+        <version>1.0</version>
+        <executions>
+          <execution>
+            <goals>
+              <goal>generateStubs</goal>
+              <goal>compile</goal>
+              <goal>generateTestStubs</goal>
+              <goal>testCompile</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
     </plugins>
 
     <extensions>