Update scalaz-core to 7.2.30
Update scalaz-core to 7.2.30

transcendent-ai-labs/DynaML,transcendent-ai-labs/DynaML,mandar2812/DynaML,transcendent-ai-labs/DynaML,transcendent-ai-labs/DynaML,mandar2812/DynaML,transcendent-ai-labs/DynaML