Upgraded to junit 4.4 (mainly to allow use of BeforeClass and AfterClass annotations) and changed pom to use different source and versions for production and test sources (1.4 and 1.5 respectively)

pom.xml

@@ -231,7 +231,7 @@
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>3.8.1</version>
+			<version>4.4</version>
 			<scope>test</scope>
 		</dependency>
 	</dependencies>
@@ -279,10 +279,30 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-compiler-plugin</artifactId>
-				<configuration>
-					<source>1.4</source>
-					<target>1.4</target>
-				</configuration>
+                <executions>
+                    <execution>
+                        <id>java-1.4-compile</id>
+                        <phase>compile</phase>
+                        <goals>
+                            <goal>compile</goal>
+                        </goals>
+                        <configuration>
+                            <source>1.4</source>
+                            <target>1.4</target>
+                        </configuration>
+                    </execution>
+                    <execution>
+                        <id>java-1.5-compile</id>
+                        <phase>process-test-sources</phase>
+                        <goals>
+                            <goal>testCompile</goal>
+                        </goals>
+                        <configuration>
+                            <source>1.5</source>
+                            <target>1.5</target>
+                        </configuration>
+                    </execution>
+                </executions>
 			</plugin>
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>