RE-1491 Separate rpc_component into own repository

To enable rpc_component to be used by rcbops the code is moved from
mattt416/rpc-metadata.

In addition testing support has been added using the rpc-gating
framework.

Author: git-harry

LICENSE.txt

@@ -0,0 +1,13 @@
+Copyright 2018, Rackspace US, Inc.
+
+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.

gating/pre_merge_test/run

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+pushd $(dirname "${BASH_SOURCE[0]}")
+  virtualenv -ppython3 .venv
+  . .venv/bin/activate
+  pip install -e .
+  python -m unittest discover tests/
+popd