By Katie Wilson The late wife of James Morrison made a touching tribute to help end knife crime before she died. Gill Catchpole, 45, was found dead at the family home in Gloucestershire on Friday. The You Give Me Something singer, who shares daughters, Elsie, 15, and five-year-old Ada with Gill, is said to be “completely heartbroken” and is being comforted by family and friends. A source close to the family confirmed that there are no suspicious circumstances. They said: “Gill was found dead on Friday at the family’s home in Whitminster. James is devastated and is being supported by his family…