update fact() to get os version
update fact() to get os version

live4thee/zstack-utility,zstackio/zstack-utility,zstackorg/zstack-utility,zstackorg/zstack-utility,live4thee/zstack-utility,zstackio/zstack-utility,zstackorg/zstack-utility,live4thee/zstack-utility,zstackio/zstack-utility