Added redirect_url and clear_cookies options to /logout

app.py

@@ -65,7 +65,13 @@ def create_app(test_config=None):
 	@app.route("/logout")
 	def logout():
 		session.clear()
-		return 'Ok', 200
+		resp = Response('Ok', 200)
+		if request.values.get('redirect_url'):
+			resp = redirect(request.values.get('redirect_url'))
+		if request.values.get('clear_cookies'):
+			for key, data in request.cookies.items():
+				resp.delete_cookie(key)
+		return resp
 
 	@app.route("/status")
 	def status():