fix: migrate to prop-types module (React.PropTypes is deprecated)

README.md

@@ -48,7 +48,8 @@ export default s
 
 ```javascript
 // some component, Item.js for ex
-import React, { PropTypes } from 'react'
+import PropTypes from 'prop-types'
+import React from 'react'
 import { Image, Text, View } from 'react-native'
 import { stylable } from 'react-native-stylable'
 

package.json

@@ -64,6 +64,7 @@
     "tape-eslint": "^1.2.1"
   },
   "dependencies": {
-    "hoist-non-react-statics": "^1.2.0"
+    "hoist-non-react-statics": "^1.2.0",
+    "prop-types": "^15.5.4"
   }
 }

src/Provider.js

@@ -1,4 +1,5 @@
-import React, { Children, PropTypes } from 'react'
+import PropTypes from 'prop-types'
+import React, { Children } from 'react'
 
 /**
  * Provides style sheet to its childs

src/stylable.js

@@ -1,4 +1,5 @@
-import React, { PropTypes } from 'react'
+import PropTypes from 'prop-types'
+import React from 'react'
 import hoistStatics from 'hoist-non-react-statics'
 
 import Node from './node'

test/stylable.spec.js

@@ -1,6 +1,7 @@
 import test from 'tape'
 import { mount } from 'enzyme'
-import React, { PropTypes } from 'react'
+import PropTypes from 'prop-types'
+import React from 'react'
 
 import { StyleProvider, Stylesheet, stylable } from '../src'