Implement Python language binding (#1192) (#1195)

Implement the first version of Python language binding

Co-authored-by: liang.he <liang.he@intel.com>

language-bindings/python/tests/context.py

@@ -0,0 +1,13 @@
+# -*- coding: utf-8 -*-
+#!/usr/bin/env python3
+#
+# Copyright (C) 2019 Intel Corporation.  All rights reserved.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+#
+
+import sys
+import os
+
+sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), "..")))
+
+import wamr