python-flask-cors: new package

A Flask extension for handling Cross Origin Resource
Sharing (CORS), making cross-origin AJAX possible.

Signed-off-by: Matthew Weber <matthew.weber@rockwellcollins.com>
Reviewed-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>