Re-add PMD (didn't seem the key problem - Maven is playing up all over the place).

project.xml

@@ -419,6 +419,7 @@
     <report>maven-jdepend-plugin</report>
     <report>maven-junit-report-plugin</report>
     <report>maven-jxr-plugin</report>
+    <report>maven-pmd-plugin</report>
     <report>maven-simian-plugin</report>
     <report>maven-tasklist-plugin</report>
     <report>maven-findbugs-plugin</report>