Linter error fixes

src/core/components/online-validator-badge.jsx

@@ -1,6 +1,12 @@
-import React from "react"
+import React, { PropTypes } from "react"
 
 export default class OnlineValidatorBadge extends React.Component {
+    static propTypes = {
+      getComponent: PropTypes.func.isRequired,
+      getConfigs: PropTypes.func.isRequired,
+      specSelectors: PropTypes.object.isRequired
+    }
+
     constructor(props, context) {
         super(props, context)
         let { specSelectors, getConfigs } = props