Quixey: add a function toHTTPS

This should fix the broken images on our site. What's happening is that the image url makes two redirects and our proxy can't handle that. Converting the images to URL skips a redirect.

![screen shot 2014-09-12 at 4 22 41 pm](https://cloud.githubusercontent.com/assets/81969/4256658/909219c0-3aba-11e4-9cd6-b87e4ad78443.png)

![screen shot 2014-09-12 at 4 20 22 pm](https://cloud.githubusercontent.com/assets/81969/4256655/829d82fa-3aba-11e4-8735-8885ed96b71e.png)