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

Based on voltha-go commit 4f48884d490a3e6627687604ffdf885792326521

Change-Id: Idb23c4183888ed6bdc9ab24b109f505395e00821
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..07bffa2
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,15 @@
+# testing related
+.coverage
+.tox/
+coverage.xml
+nose-results.xml
+test/unit/tmp
+
+# python distribution related
+dist
+*.egg-info
+
+# ide workspace
+.idea
+
+*.pyc