Add www-client/firefox to unity-portage.pmask
Add media-gfx/gnome-screenshot to unity-portage.pkeywords
Re-enable '+music' for unity-lenses/unity-lens-meta now that unity-lens-music works again and fix icon path in source. Update README_saucy_known_issues.txt
[saucy-updates] Version bump gnome-extra/gnome-screensaver