Upgrade to Flask-WTF 0.10.0
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opendatateam/udata,jphnoel/udata,davidbgk/udata,opendatateam/udata,grouan/udata,grouan/udata,grouan/udata,opendatateam/udata,etalab/udata,jphnoel/udata,davidbgk/udata,etalab/udata,jphnoel/udata,etalab/udata,davidbgk/udata