Add kafka-onos repo to manifest

Change-Id: I5f3db81a4d90059dcc5204aae5cd6de3c9e57b4e
diff --git a/default.xml b/default.xml
index 224f0b4..c8a277a 100644
--- a/default.xml
+++ b/default.xml
@@ -19,6 +19,7 @@
 <project path="onos-apps/apps/dhcpl2relay" name="dhcpl2relay" groups="onos"/>
 <project path="onos-apps/apps/igmp" name="igmp" groups="onos"/>
 <project path="onos-apps/apps/igmpproxy" name="igmpproxy" groups="onos"/>
+<project path="onos-apps/apps/kafka-onos" name="kafka-onos" groups="onos"/>
 <project path="onos-apps/apps/mcast" name="mcast" groups="onos"/>
 <project path="onos-apps/apps/olt" name="olt" groups="onos"/>
 <project path="onos-apps/apps/vtn" name="vtn" groups="onos"/>