Moved Tunnel subsystem to ONOS core incubator area.

Change-Id: I03f90b068013fbf0490af5277b33459ccc0514ec
diff --git a/tools/build/onos-package b/tools/build/onos-package
index 5a8f9ac..5885562 100755
--- a/tools/build/onos-package
+++ b/tools/build/onos-package
@@ -67,7 +67,7 @@
     $ONOS_STAGE/$KARAF_DIST/etc/org.apache.karaf.features.cfg
 
 # Patch the Apache Karaf distribution file to load default ONOS boot features
-export BOOT_FEATURES="webconsole,onos-api,onos-core,onos-cli,onos-rest,onos-gui"
+export BOOT_FEATURES="webconsole,onos-api,onos-core,onos-incubator,onos-cli,onos-rest,onos-gui"
 perl -pi.old -e "s|^(featuresBoot=.*)|\1,$BOOT_FEATURES|" \
     $ONOS_STAGE/$KARAF_DIST/etc/org.apache.karaf.features.cfg