Initial implementation of IntService and sample application

This implementation has been used for P4Workshop demo (ONOS INT Support).

Change-Id: I2ff94f8a79f6d5a328b94f7ed178e575b81c3fe9
diff --git a/apps/inbandtelemetry/app/src/main/java/org/onosproject/inbandtelemetry/app/IntControl.java b/apps/inbandtelemetry/app/src/main/java/org/onosproject/inbandtelemetry/app/IntControl.java
new file mode 100644
index 0000000..efd3590
--- /dev/null
+++ b/apps/inbandtelemetry/app/src/main/java/org/onosproject/inbandtelemetry/app/IntControl.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2015-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.inbandtelemetry.app;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.onosproject.core.CoreService;
+import org.onosproject.inbandtelemetry.api.IntService;
+import org.onosproject.net.host.HostService;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@Component(immediate = true)
+public class IntControl {
+    private final Logger log = LoggerFactory.getLogger(getClass());
+//    private ApplicationId appId;
+//    private static final int collectorPort = 1234;
+//    private static final IpAddress collectorIp = IpAddress.valueOf("10.0.0.3");
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected CoreService coreService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected IntService intService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected HostService hostService;
+
+    @Activate
+    protected void activate() {
+        coreService.registerApplication("org.onosproject.inbandtelemetry.app");
+        log.info("Started");
+    }
+
+    @Deactivate
+    protected void deactivate() {
+        log.info("Stopped");
+    }
+}