added python test app

tests/python/Procfile

@@ -0,0 +1 @@
+web: gunicorn hello:app

tests/python/hello.py

@@ -0,0 +1,8 @@
+import os
+from flask import Flask
+
+app = Flask(__name__)
+
+@app.route('/')
+def hello():
+        return 'Hello World!'

tests/python/requirements.txt

@@ -0,0 +1,5 @@
+Flask==0.9
+Jinja2==2.6
+Werkzeug==0.8.3
+gunicorn==0.17.2
+