Update requirements.txt
Update requirements.txt

Update Werkzeug to 0.10.4 to fix "TypeError: 'unicode' does not have the buffer interface"
VShangxiao/flask-pycon2014,VShangxiao/flask-pycon2014,miguelgrinberg/flask-pycon2014,neo1218/flask-pycon2014,miguelgrinberg/flask-pycon2014,neo1218/flask-pycon2014