fixed caching issues on top artists and news feed
fixed caching issues on top artists and news feed

--HG--
branch : trunk

JustinTulloss/harmonize.fm,JustinTulloss/harmonize.fm,JustinTulloss/harmonize.fm,JustinTulloss/harmonize.fm,JustinTulloss/harmonize.fm,JustinTulloss/harmonize.fm