[nueva venta] cambios en descuentos con recetas
Merge branch 'develop' of
https://github.com/jotaemepereira/PIS-GR4-2014.git into develop

Conflicts:
	sources/Prototipos/Java/DUSA/WebContent/ventas/nuevaVenta.xhtml
	sources/Prototipos/Java/DUSA/src/beans/VentaBean.java