In "normal mode" don't show feed title, when articles are grouped by feed

Got removed here: https://github.com/gothfox/Tiny-Tiny-RSS/commit/e17e99fbcf62f2e347ce771a795be3237521f6b5
Don't wrap feed title in "normal" mode.
Merge pull request #67 from Joschasa/master

Fix feed title display in "normal" (not combined) mode