Build voltha/consul Container Image with its own file system, not mounted volume from the Host.

  -- Added --data-dir Option in Consul Launch Command
  -- Added --config-dir Option Consul Launch Command
  -- Fixed the Launch issue and removed --data-dir & --config-dir Option from launch command.

Build voltha/registrator Comtainer Image with its own file system.

  -- Fixed nginx volume path (typo)

Change-Id: I4640e81feaac683b057bdfa5cda5e16579f58a37
diff --git a/docker/Dockerfile.consul b/docker/Dockerfile.consul
new file mode 100644
index 0000000..48e7347
--- /dev/null
+++ b/docker/Dockerfile.consul
@@ -0,0 +1,22 @@
+#!/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 consul
+
+# Create Consul Config Directory
+RUN mkdir -p /consul/config 
+COPY consul_config /consul/config