Get Livefyre [mostly] working over https

Begins to address #59.

Even using the https endpoints though Livefyre seems to add a whole bunch of non-https stuff:-

![screen shot 2014-07-30 at 22 41 05](https://cloud.githubusercontent.com/assets/825088/3756833/41daab80-1832-11e4-8e19-889c482c9d76.png)