Redesign of Podder.

Podder now only listens to events from the docker
api. Docker event api will use a callback mechanism
to take action when a container is started or stopped.

Adding Dockerfile for podder and an entry into the
compose file.

Change-Id: Ib5735078a69eab3af6076af94bc697ab3e82a239
diff --git a/Dockerfile.podder b/Dockerfile.podder
new file mode 100644
index 0000000..f8abc96
--- /dev/null
+++ b/Dockerfile.podder
@@ -0,0 +1,31 @@
+#!/usr/bin/env python
+#
+# Copyright 2016 the original author or authors.
+#
+# 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.
+#
+
+FROM cord/voltha-base
+
+MAINTAINER Zsolt Haraszti <zharaszt@ciena.com>
+MAINTAINER Ali Al-Shabibi <ali.al-shabibi@onlab.us>
+MAINTAINER Nathan Knuth   <nathan.knuth@tibitcom.com>
+
+# Bundle app source
+COPY podder /podder
+COPY common /common
+
+# Exposing process and default entry point
+# EXPOSE 8000
+
+CMD ["python", "podder/main.py"]