Device config synchronizer

- initial sketch of Device Config Synchronizer outline (ONOS-6745)

Change-Id: I57c8ab6c3511f12c15e3501aa61498eb18264b27
diff --git a/apps/pom.xml b/apps/pom.xml
index e5e50f1..b43c0db 100644
--- a/apps/pom.xml
+++ b/apps/pom.xml
@@ -81,6 +81,8 @@
         <module>tetunnel</module>
         <module>actn-mdsc</module>
         <module>config</module>
+        <module>configsync</module>
+        <module>configsync-netconf</module>
         <module>ofagent</module>
         <module>intentsync</module>
         <module>mappingmanagement</module>