java_gen: dedicated factories for (action|instruction)_id, erromsg
also moved the errormsg subclasses to their own package (errormsg)
bumped openflowj version to 0.3.2
diff --git a/java_gen/templates/_imports.java b/java_gen/templates/_imports.java
index af529bc..498d2f9 100644
--- a/java_gen/templates/_imports.java
+++ b/java_gen/templates/_imports.java
@@ -8,6 +8,7 @@
import org.projectfloodlight.openflow.protocol.*;
import org.projectfloodlight.openflow.protocol.action.*;
import org.projectfloodlight.openflow.protocol.actionid.*;
+import org.projectfloodlight.openflow.protocol.errormsg.*;
import org.projectfloodlight.openflow.protocol.meterband.*;
import org.projectfloodlight.openflow.protocol.instruction.*;
import org.projectfloodlight.openflow.protocol.instructionid.*;