noor ellis admits planning execution-style killing of husband robert ellis .
mr ellis ' neck was slashed and his body dumped at home in bali in october .
noor paid $ 14,000 to five hit men to carry out the murder in his kitchen .
she told a balinese court that she wanted to ` teach a lesson ' to mr ellis .
the court heard she asked his killers ` to be neat ' and suffocate him .