Axis: fix className and style props

[GabeMedrash]

• classNameshould be applied here: https://github.com/ihmeuw/ihme-ui/blob/master/src/ui/axis/src/axis.jsx#L77

• axisClassNameshould be created and applied here: https://github.com/ihmeuw/ihme-ui/blob/master/src/ui/axis/src/axis.jsx#L51

• style should be applied here: https://github.com/ihmeuw/ihme-ui/blob/master/src/ui/axis/src/axis.jsx#L77

• axisStyleshould be applied here: https://github.com/ihmeuw/ihme-ui/blob/master/src/ui/axis/src/axis.jsx#L69