Adding Flow Rule test to app-samples (from onos-core)

Change-Id: Ibc6971f2db73acc01a1eb71bcb3cd3b2237a099e
diff --git a/pom.xml b/pom.xml
index 4e6b52f..a5dba16 100644
--- a/pom.xml
+++ b/pom.xml
@@ -46,6 +46,7 @@
         <module>database-perf</module>
         <module>tvue</module>
         <module>mfwd</module>
+        <module>flowtest</module>
     </modules>
 
     <properties>