Log Message:
Update py-flask-admin to 1.2.0.

1.2.0
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* Codebase was migrated to Flask-Admin GitHub organization
* Automatically inject Flask-WTF CSRF token to internal Flask-Admin forms
* MapBox v4 support for GeoAlchemy
* Updated translations with help of CrowdIn
* Show warning if field was ignored in form rendering rules
* Simple AppEngine backend
* Optional support for Font Awesome in templates and menus
* Bug fixes