psa: new icon, increased listing font size

[feedingit] / psa_harmattan / feedingit / deb_dist / feedingit-0.1.0 / debian / feedingit / usr / share / applications / feedingit.desktop

[Desktop Entry]
Encoding=UTF-8
Version=1.0
Type=Application
Name=FeedingIt RSS Reader
Exec=invoker --single-instance --type=e /usr/bin/feedingit
Icon=/usr/share/icons/hicolor/80x80/apps/feedingit.png
Categories=Network;News;