Replace React.PropTypes with prop-types (#1373)

React is now migrating away from React.PropTypes starting from v15.5.0
More info:
https://facebook.github.io/react/blog/2017/04/07/react-v15.5.0.html

example/src/components/Row.js

-import React, { PropTypes } from 'react';
+import React from 'react';
+import PropTypes from 'prop-types';
 import { StyleSheet, View, Text, TouchableHighlight, Platform } from 'react-native';
 
 function Row({ title, onPress, platform, testID }) {

old-example-redux/src/screens/BottomTabsSideMenu.js

-import React, {Component, PropTypes} from 'react';
+import React, {Component} from 'react';
 import {
   Text,
   View,

old-example-redux/src/screens/FirstTabScreen.js

-import React, {Component, PropTypes} from 'react';
+import React, {Component} from 'react';
 import {
   Text,
   View,

old-example-redux/src/screens/ListScreen.js

-import React, {Component, PropTypes} from 'react';
+import React, {Component} from 'react';
 import {
   Text,
   View,

old-example-redux/src/screens/LoginScreen.js

-import React, {Component, PropTypes} from 'react';
+import React, {Component} from 'react';
+import PropTypes from 'prop-types';
 import {
   Text,
   View,

old-example-redux/src/screens/PushedScreen.js

-import React, {Component, PropTypes} from 'react';
+import React, {Component} from 'react';
 import {
   Text,
   View,

old-example-redux/src/screens/SecondTabScreen.js

-import React, {Component, PropTypes} from 'react';
+import React, {Component} from 'react';
 import {
   Text,
   Image,

old-example-redux/src/screens/SideMenu.js

-import React, {Component, PropTypes} from 'react';
+import React, {Component} from 'react';
 import {
   Text,
   View,

package.json

     "jest": "18.x.x",
     "jest-cli": "18.x.x",
     "jest-react-native": "18.x.x",
+    "prop-types": "^15.5.10",
     "react": "16.0.0-alpha.6",
     "react-native": "0.43.0",
     "react-test-renderer": "15.4.2",

src/views/sharedElementTransition.ios.js

-import React, {Component, PropTypes} from 'react';
+import React, {Component} from 'react';
+import PropTypes from 'prop-types';
 import {
   View
 } from 'react-native';

yarn.lock

   version "1.0.1"
   resolved "https://registry.yarnpkg.com/longest/-/longest-1.0.1.tgz#30a0b2da38f73770e8294a0d22e6625ed77d0097"
 
-loose-envify@^1.0.0, loose-envify@^1.1.0:
+loose-envify@^1.0.0, loose-envify@^1.1.0, loose-envify@^1.3.1:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/loose-envify/-/loose-envify-1.3.1.tgz#d1a8ad33fa9ce0e713d65fdd0ac8b748d478c848"
   dependencies:
   dependencies:
     asap "~2.0.3"
 
+prop-types@^15.5.10:
+  version "15.5.10"
+  resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.5.10.tgz#2797dfc3126182e3a95e3dfbb2e893ddd7456154"
+  dependencies:
+    fbjs "^0.8.9"
+    loose-envify "^1.3.1"
+
 prr@~0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/prr/-/prr-0.0.0.tgz#1a84b85908325501411853d0081ee3fa86e2926a"