[GoComics] Update to new website structure (#1464)
[GoComics] Update to new website structure (#1464)

GoComics.com has updated their website.  The image location is now a
data attribute in a div.
ORelio/rss-bridge,Riduidel/rss-bridge,Riduidel/rss-bridge,kranack/rss-bridge,RSS-Bridge/rss-bridge,kranack/rss-bridge,kranack/rss-bridge,Frenzie/rss-bridge,Frenzie/rss-bridge,ORelio/rss-bridge,sebsauvage/rss-bridge,Riduidel/rss-bridge,RSS-Bridge/rss-bridge,kranack/rss-bridge,RSS-Bridge/rss-bridge,ORelio/rss-bridge