By Adam Dutton & Rom Preston-Ellis A crafty cat survived after getting trapped in a derelict house for two weeks by eating dead pigeons. Four-year-old Felix went missing from her home in Hartlepool, County Durham, earlier this month. Her frantic owner Joanne Keir, 45, searched nearby streets and parks but there was no sign of her beloved pet. The black-and-white cat was finally discovered after Joanne heard the moggy ‘miaowing’ and followed the noise to a boarded-up house three doors down. Joanne spotted Felix looking out of a top window and called the RSPCA who sent officers to enter the buil…