[Saucy] Version bumps to indicator-{applet,datetime,messages,sound,sync},ligthdm,libdbusmenu,libindicator,gdbus-codegen,gnome-panel and unity-language-pack
[Saucy] Introduce url-dispatcher ebuild dep. needed by unity-indicators/indicator-power
added 'dev-libs/libzeitgeist' as DEPEND'