diff -r f3b685bd7243 -r 0c97ae810dff core/pom.xml
--- a/core/pom.xml	Wed Oct 03 08:05:24 2012 -0700
+++ b/core/pom.xml	Mon Nov 12 20:08:36 2012 +0100
@@ -12,7 +12,20 @@
   <version>1.0-SNAPSHOT</version>
   <name>core</name>
   <url>http://maven.apache.org</url>
-  <properties>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>2.3.2</version>
+                <configuration>
+                    <source>1.6</source>
+                    <target>1.6</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+    <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
   </properties>
   <dependencies>