Detangling incubator: virtual nets, tunnels, resource labels, oh my

- virtual networking moved to /apps/virtual; with CLI & REST API
- tunnels and labels moved to /apps/tunnel; with CLI & REST API; UI disabled for now
- protobuf/models moved to /core/protobuf/models
- defunct grpc/rpc registry stuff left under /graveyard
- compile dependencies on /incubator moved to respective modules for compilation
- run-time dependencies will need to be re-tested for dependent apps

- /graveyard will be removed in not-too-distant future

Change-Id: I0a0b995c635487edcf95a352f50dd162186b0b39
diff --git a/protocols/snmp/ctl/src/main/java/org/onosproject/snmp/ctl/DefaultSnmpController.java b/protocols/snmp/ctl/src/main/java/org/onosproject/snmp/ctl/DefaultSnmpController.java
index a9eab3d..d5664e6 100644
--- a/protocols/snmp/ctl/src/main/java/org/onosproject/snmp/ctl/DefaultSnmpController.java
+++ b/protocols/snmp/ctl/src/main/java/org/onosproject/snmp/ctl/DefaultSnmpController.java
@@ -23,9 +23,9 @@
 import com.btisystems.pronx.ems.core.snmp.SnmpSessionFactory;
 import com.btisystems.pronx.ems.core.snmp.V2cSnmpConfiguration;
 import com.google.common.base.Preconditions;
-import org.onosproject.incubator.net.faultmanagement.alarm.Alarm;
-import org.onosproject.incubator.net.faultmanagement.alarm.AlarmId;
-import org.onosproject.incubator.net.faultmanagement.alarm.DefaultAlarm;
+import org.onosproject.alarm.Alarm;
+import org.onosproject.alarm.AlarmId;
+import org.onosproject.alarm.DefaultAlarm;
 import org.onosproject.net.DeviceId;
 import org.onosproject.snmp.SnmpController;
 import org.onosproject.snmp.SnmpDevice;