SEC-550: Switch to latest spring 2 version and update project language level to 1.4.

pom.xml

@@ -294,8 +294,8 @@
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-compiler-plugin</artifactId>
 				<configuration>
-					<source>1.3</source>
-					<target>1.3</target>
+					<source>1.4</source>
+					<target>1.4</target>
 				</configuration>
 			</plugin>
 			<plugin>
@@ -584,7 +584,7 @@
 
 	</dependencyManagement>
 	<properties>
-		<spring.version>1.2.9</spring.version>
+		<spring.version>2.0.6</spring.version>
         <docbook.source>${basedir}/src/docbkx</docbook.source>
         <docbook.target>${basedir}/target/site/guide</docbook.target>
     </properties>