Updated package.json
Updated package.json

Radium 0.18 is having Proptype required from "react". Removes the warning: `Warning: Accessing PropTypes via the main React package is deprecated. Use the prop-types package from npm instead.`
rma-consulting/react-easy-chart,rma-consulting/rc-d3,rma-consulting/rc-d3,rma-consulting/react-easy-chart