Updated to Spring 3 M4 prior to M2 release

pom.xml

@@ -754,7 +754,7 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>        
-        <spring.version>3.0.0.BUILD-SNAPSHOT</spring.version>
+        <spring.version>3.0.0.M4</spring.version>
         <jstl.version>1.1.2</jstl.version>
         <jetty.version>6.1.18</jetty.version>
     </properties>