Add some recipes of Uruguay.

Add 10minutos.recipe (News of Salto)
Add diario_el_pueblo.recipe (News of Salto)
Add diario_salto.recipe (News of Salto)
Add unoticias.recipe (News of Montevideo)
Add padreydecano.recipe, update el_observador...

Add padreydecano.recipe (C.A. Peñarol related news)
Update el_observador.recipe it was broken for a long time.
Various Uruguayan news sources by Carlos Alves

Merge branch 'recipes_uruguay' of https://github.com/carlosalves90/calibre