force ssl on herkou

### What is the problem / feature ?

The app didn't force https while running on heroku.

### How did it get fixed / implemented ?

https://stackoverflow.com/questions/8436666/how-to-make-python-on-heroku-https-only

### How can someone test / see it ?

Navigate to the non https version and see you are redirected.

http://voldb.herokuapp.com/


*Here is a cute baby animal picture for your troubles...*

![st _bernard_puppy](https://cloud.githubusercontent.com/assets/824194/2546494/080f073a-b639-11e3-8105-8023071fa658.jpg)