By Jeremy Gaunt LONDON (Reuters) – If Kat Edmonson ever becomes a household name, she can put it down not just to her talent as a jazz singer, but to some decidedly modern financing as well. The 29-year-old Texan, an old-school chanteuse with a contemporary lilt, has funded production of her second album via a community workshop and through crowd-sourcing, essentially getting the people who like her to pay for it. The album, "Way Down Low", has now been picked up by Sony which is "launching" the singer outside the United States as an up-and-comer in a more traditional manner. …