Add loading spinner for PDF creation

bp2014n2 / i2b2

Bachelor project in order to use i2b2 with big data

http://bp2014n2.github.io/

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Closed CarlAmbroselli closed 9 years ago

CarlAmbroselli commented 9 years ago

As a user I want to see a loading spinner after clicking on the create pdf button in order to see that my request is processed.