Bitcoin: 3b64f852e400c552f031697d6a86829dc6e74bd6 (QA: add test for CKey::Negate()).
Bitcoin: 3b64f852e400c552f031697d6a86829dc6e74bd6 (QA: add test for CKey::Negate()).

aurarad/auroracoin,aurarad/auroracoin,aurarad/auroracoin,aurarad/auroracoin,aurarad/auroracoin