Updated to maven-resources-plugin 2.4

This is to fix an error when using the latest m2e plugin that states: 'maven-resources-plugin prior to 2.4 is not supported by m2e'

pom.xml

@@ -303,7 +303,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-resources-plugin</artifactId>
-                <version>2.3</version>
+                <version>2.4</version>
                 <configuration>
                     <encoding>UTF-8</encoding>
                 </configuration>