VOL-2059 move ponsim-olt adapter to its own repo

Based on voltha-go commit 4f48884d490a3e6627687604ffdf885792326521

Change-Id: Idb23c4183888ed6bdc9ab24b109f505395e00821
diff --git a/tox.ini b/tox.ini
new file mode 100644
index 0000000..f7f2ca1
--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,35 @@
+; Copyright 2017 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.
+
+[tox]
+envlist = py27
+skipsdist = True
+
+[testenv]
+commands =
+    nosetests -c tox.ini
+
+deps =
+   nose
+   mock
+   coverage
+   -rrequirements.txt
+
+[nosetests]
+with-xunit=1
+xunit-file=nose-results.xml
+with-coverage=1
+cover-xml=1
+cover-xml-file=coverage.xml
+cover-package=pyvoltha