use 2.4.0 maven plugin

Author: graemerocher

grails-resources/src/grails/templates/maven/binary-plugin.pom

@@ -88,10 +88,9 @@
             <plugin>
                 <groupId>org.grails</groupId>
                 <artifactId>grails-maven-plugin</artifactId>
-                <version>${grails.version}</version>
+                <version>2.4.0</version>
                 <configuration>
-                    <!-- Whether for Fork a JVM to run Grails commands -->
-                    <fork>true</fork>
+                    <grailsVersion>\${grails.version}</grailsVersion>
                 </configuration>
                 <extensions>true</extensions>
             </plugin>

grails-resources/src/grails/templates/maven/project.pom

@@ -191,10 +191,9 @@
             <plugin>
                 <groupId>org.grails</groupId>
                 <artifactId>grails-maven-plugin</artifactId>
-                <version>\${grails.version}</version>
+                <version>2.4.0</version>
                 <configuration>
-                    <!-- Whether for Fork a JVM to run Grails commands -->
-                    <fork>true</fork>
+                    <grailsVersion>\${grails.version}</grailsVersion>
                 </configuration>
                 <extensions>true</extensions>
             </plugin>