Revert "remove floicon because its author is a colossal shitlord (http://tt-rss.org/forum/viewtopic.php?f=1&t=2055&p=10824#p10822)"

This reverts commit dce5037888968788518dfdb6b1c29f3863238b92.
add a placeholder where floicon might be added if needed, still keep it
off trunk re: author being a shitlord