Replace preprequisites with MENFORCER

This closes #2

Author: michael-o

pom.xml

@@ -305,10 +305,6 @@ limitations under the License.
     </site>
   </distributionManagement>
 
-  <prerequisites>
-    <maven>3.0</maven>
-  </prerequisites>
-
   <properties>
     <javaVersion>5</javaVersion>
     <maven.compiler.source>1.${javaVersion}</maven.compiler.source>
@@ -455,6 +451,27 @@ limitations under the License.
         </plugin>
       </plugins>
     </pluginManagement>
+    <plugins>
+      <plugin>
+        <artifactId>maven-enforcer-plugin</artifactId>
+        <executions>
+          <execution>
+            <id>enforce-maven</id>
+            <goals>
+              <goal>enforce</goal>
+            </goals>
+            <configuration>
+              <rules>
+                <requireMavenVersion>
+                  <version>3.0.5</version>
+                  <message>This project requires at least Maven 3.0.5</message>
+                </requireMavenVersion>
+            </rules>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
   </build>
 
   <reporting>