Change "PropTypes" to external, instead deprecated in React

Author: emision

lib/SocketProvider.js

@@ -1,4 +1,5 @@
-import React, { Component, PropTypes} from 'react';
+import React, { Component } from 'react';
+import PropTypes from 'prop-types';
 
 class SocketProvider extends Component {
   static propTypes = {

lib/socket-connect.js

@@ -1,4 +1,5 @@
-import React, { createElement, PropTypes } from 'react';
+import React, { createElement } from 'react';
+import PropTypes from 'prop-types';
 
 function socketConnect(Target) {
   function SocketConnect(props, context) {

package.json

@@ -31,7 +31,8 @@
     "babel-plugin-transform-es2015-modules-commonjs": "6.7.0",
     "babel-plugin-transform-es2015-spread": "6.6.5",
     "babel-plugin-transform-react-constant-elements": "6.5.0",
-    "babel-plugin-transform-react-inline-elements": "6.6.5"
+    "babel-plugin-transform-react-inline-elements": "6.6.5",
+    "prop-types": "^15.5.8"
   },
   "peerDependencies": {
     "socket.io-client": "^1.4.5"