Added back keys.py

Oops, I have no idea why I accidentally removed this.

keys.py

@@ -0,0 +1,30 @@
+#!/usr/bin/env python3
+
+# weatherBot keys
+# Copyright 2015-2016 Brian Mitchell under the MIT license
+# See the GitHub repository: https://github.com/bman4789/weatherBot
+
+import os
+
+
+keys = dict(
+    consumer_key='xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx',
+    consumer_secret='xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx',
+    access_key='xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx',
+    access_secret='xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx',
+    forecastio_key='xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
+)
+
+
+def set_twitter_env_vars():
+    if os.getenv('WEATHERBOT_CONSUMER_KEY', 0) is 0 or os.getenv('WEATHERBOT_CONSUMER_SECRET', 0) is 0 \
+            or os.getenv('WEATHERBOT_ACCESS_KEY', 0) is 0 or os.getenv('WEATHERBOT_ACCESS_SECRET', 0) is 0:
+        os.environ['WEATHERBOT_CONSUMER_KEY'] = keys['consumer_key']
+        os.environ['WEATHERBOT_CONSUMER_SECRET'] = keys['consumer_secret']
+        os.environ['WEATHERBOT_ACCESS_KEY'] = keys['access_key']
+        os.environ['WEATHERBOT_ACCESS_SECRET'] = keys['access_secret']
+
+
+def set_forecastio_env_vars():
+    if os.getenv('WEATHERBOT_FORECASTIO_KEY', 0) is 0:
+        os.environ['WEATHERBOT_FORECASTIO_KEY'] = keys['forecastio_key']