[KE] Fix h3 nesting bug in feeds.js
[KE] Fix h3 nesting bug in feeds.js

The entire content of each feed item preview was being injected
into the <h3> tag, causing everything to appear bold. Fixed now.

mysociety/pombola,mysociety/pombola,mysociety/pombola,mysociety/pombola,mysociety/pombola,mysociety/pombola