l10n: Improved Spanish translation.
l10n: Improved Spanish translation.

Improved Spanish translation for "Contributor".

Signed-off-by: Daniel Mustieles García <f5ca5dfef217fa8f9e56dbc0a2dd987d66e9ae2c@gmail.com>

dufoli/banshee,ixfalia/banshee,babycaseny/banshee,Dynalon/banshee-osx,babycaseny/banshee,arfbtwn/banshee,Dynalon/banshee-osx,babycaseny/banshee,arfbtwn/banshee,GNOME/banshee,stsundermann/banshee,ixfalia/banshee,Carbenium/banshee,Dynalon/banshee-osx,GNOME/banshee,ixfalia/banshee,dufoli/banshee,Dynalon/banshee-osx,babycaseny/banshee,stsundermann/banshee,Carbenium/banshee,arfbtwn/banshee,GNOME/banshee,Dynalon/banshee-osx,GNOME/banshee,GNOME/banshee,GNOME/banshee,arfbtwn/banshee,Carbenium/banshee,Carbenium/banshee,stsundermann/banshee,arfbtwn/banshee,ixfalia/banshee,arfbtwn/banshee,babycaseny/banshee,babycaseny/banshee,ixfalia/banshee,ixfalia/banshee,arfbtwn/banshee,Carbenium/banshee,arfbtwn/banshee,dufoli/banshee,Dynalon/banshee-osx,stsundermann/banshee,Carbenium/banshee,stsundermann/banshee,dufoli/banshee,dufoli/banshee,dufoli/banshee,Dynalon/banshee-osx,babycaseny/banshee,stsundermann/banshee,dufoli/banshee,stsundermann/banshee,dufoli/banshee,GNOME/banshee,ixfalia/banshee,stsundermann/banshee,babycaseny/banshee,ixfalia/banshee,Dynalon/banshee-osx,GNOME/banshee