HTML entities are escaped in discussion's article title

In some instances HTML entities would appear in the code, like in this discussion: http://m.guardian.co.uk/discussion//p/3gjpx

`Hari Kunzru's Memory Palace creates a 'walk-in' graphic novel at the V&amp;A`

![double backflip](http://www.stupidgifs.com/images/full/844.gif)