Added ability to upload apps as both app.xml or app.zip.
Added a number of app.xml files for built-in apps.
Added ability to install & activate in one command.

Change-Id: I3fa5fa487ef76d9fe3da4d6dce8045d538cba423
diff --git a/apps/metrics/intent/app.xml b/apps/metrics/intent/app.xml
new file mode 100644
index 0000000..4d184f2
--- /dev/null
+++ b/apps/metrics/intent/app.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright 2015 Open Networking Laboratory
+  ~
+  ~ 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.
+  -->
+<app name="org.onosproject.app.metrics.intent" origin="ON.Lab" version="1.1.0"
+        features="onos-app-metrics-intent">
+    <description>ONOS intent metrics test application</description>
+</app>