added Microsoft source code license comments to top of python files

Author: Warren Chu

manage.py

@@ -1,3 +1,6 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 #!/usr/bin/env python
 import os
 import sys

setup.py

@@ -1,3 +1,6 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 from setuptools import find_packages, setup
 
 CLASSIFIERS = [

sql_server/pyodbc/__init__.py

@@ -1 +1,4 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 import sql_server.pyodbc.functions  # noqa

sql_server/pyodbc/base.py

@@ -1,3 +1,6 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 """
 MS SQL Server database backend for Django.
 """

sql_server/pyodbc/client.py

@@ -1,3 +1,6 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 import re
 import subprocess
 

sql_server/pyodbc/compiler.py

@@ -1,3 +1,6 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 import types
 from itertools import chain
 

sql_server/pyodbc/creation.py

@@ -1,3 +1,6 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 import binascii
 import os
 

sql_server/pyodbc/features.py

@@ -1,3 +1,6 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 from django.db.backends.base.features import BaseDatabaseFeatures
 from django.utils.functional import cached_property
 

sql_server/pyodbc/functions.py

@@ -1,3 +1,6 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 from django import VERSION
 from django.db.models import BooleanField
 from django.db.models.functions import Cast

sql_server/pyodbc/introspection.py

@@ -1,3 +1,6 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 import pyodbc as Database
 
 from django.db.backends.base.introspection import (