added demo rest api for adding and withdrawing intents in a mesh

Change-Id: Ic68a9054c8a1a3d4223e75845f78205d8703ae56
diff --git a/apps/pom.xml b/apps/pom.xml
index 3084916..c021ca4 100644
--- a/apps/pom.xml
+++ b/apps/pom.xml
@@ -44,6 +44,7 @@
         <module>optical</module>
         <module>metrics</module>
         <module>oecfg</module>
+        <module>demo</module>
     </modules>
 
     <properties>