Display XKCD alt-text when Feeds posts a new XKCD.

[joshleblanc]

Title.

I found myself being mildly inconvenienced when Feeds posted an XKCD and I had to load the page to view the alt-text. This has to be rectified.

[Zirak]

Feeds inserts the alt text as (surprise) alt text, hover over the image to see it.

[joshleblanc]

Huh.