Use hyphenate-style-name module instead of React internal

package.json

@@ -23,6 +23,7 @@
     "component"
   ],
   "dependencies": {
+    "hyphenate-style-name": "^1.0.0",
     "lodash.omit": "^3.0.0",
     "matchmedia": "^0.1.1",
     "object-assign": "^2.0.0"

src/index.js

@@ -3,7 +3,7 @@
 var React = require('react');
 var omit = require('lodash.omit');
 var matchMedia = require('matchmedia');
-var hyphenate = require('react/lib/hyphenateStyleName');
+var hyphenate = require('hyphenate-style-name');
 var mediaQuery = require('./mediaQuery');
 var toQuery = require('./toQuery');
 

src/mediaQuery.js

@@ -1,4 +1,4 @@
-var PropTypes = require('react/lib/ReactPropTypes');
+var PropTypes = require('react').PropTypes;
 var assign = require('object-assign');
 
 var stringOrNumber = PropTypes.oneOfType([

src/toQuery.js

@@ -1,6 +1,6 @@
 'use strict';
 
-var hyphenate = require('react/lib/hyphenateStyleName');
+var hyphenate = require('hyphenate-style-name');
 var mq = require('./mediaQuery');
 
 function negate(cond) {
@@ -36,4 +36,4 @@ module.exports = function(obj){
     }
   });
   return join(rules);
-};
+};