[RAT-232] Removed prerequisites from pom use maven-enforcer instead


git-svn-id: https://svn.apache.org/repos/asf/creadur/rat/trunk@1787483 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index cdf7468..14fb0fc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -42,10 +42,6 @@
 agnostic home for software distribution comprehension and audit tools.
   </description>
   <inceptionYear>2006</inceptionYear>
-  <prerequisites>
-    <!-- This is the version of Maven required to build Rat -->
-    <maven>3.0.5</maven>
-  </prerequisites>
   <properties>
     <javaVersion>1.5</javaVersion>
     <maven.compiler.source>${javaVersion}</maven.compiler.source>
@@ -444,6 +440,9 @@
                 <enforceBytecodeVersion>
                   <maxJdkVersion>${javaVersion}</maxJdkVersion>
                 </enforceBytecodeVersion>
+                <requireMavenVersion>
+                  <version>3.0.5</version>
+                </requireMavenVersion>
               </rules>
               <fail>true</fail>
             </configuration>