Added cubby-holes for new projects.
diff --git a/of-save/ctl/src/main/java/net/onrc/onos/of/ctl/util/OrderedCollection.java b/of-save/ctl/src/main/java/net/onrc/onos/of/ctl/util/OrderedCollection.java
new file mode 100644
index 0000000..f032212
--- /dev/null
+++ b/of-save/ctl/src/main/java/net/onrc/onos/of/ctl/util/OrderedCollection.java
@@ -0,0 +1,14 @@
+package net.onrc.onos.of.ctl.util;
+
+import java.util.Collection;
+
+/**
+ * A marker interface indicating that this Collection defines a particular
+ * iteration order. The details about the iteration order are specified by
+ * the concrete implementation.
+ *
+ * @param <E>
+ */
+public interface OrderedCollection<E> extends Collection<E> {
+
+}