Added prop-types dependency and updated src files to use PropTypes fr…

…om "prop-types" (Issue tomauty#182)

package.json

@@ -48,7 +48,8 @@
     "babel-cli": "^6.10.1",
     "babel-eslint": "^6.0.0",
     "babel-plugin-transform-flow-strip-types": "^6.8.0",
-    "babel-preset-react-native": "^1.5.3"
+    "babel-preset-react-native": "^1.5.3",
+    "prop-types": "^15.6.1"
   },
   "description": "[![Join the chat at https://gitter.im/tomauty/react-native-chart](https://badges.gitter.im/tomauty/react-native-chart.svg)](https://gitter.im/tomauty/react-native-chart) [![npm version](https://badge.fury.io/js/react-native-chart.svg)](https://badge.fury.",
   "devDependencies": {

src/Chart.js

@@ -1,6 +1,7 @@
 /* @flow */
 'use strict';
-import React, { Component, PropTypes } from 'react';
+import PropTypes from 'prop-types';
+import React, { Component } from 'react';
 import { LayoutAnimation, StyleSheet, View } from 'react-native';
 import BarChart from './BarChart';
 import LineChart from './LineChart';

src/Circle.js

@@ -1,5 +1,6 @@
 /* @flow */
-import React, { Component, PropTypes } from 'react';
+import PropTypes from "prop-types";
+import React, { Component } from 'react';
 import { ART } from 'react-native';
 const { Path, Shape } = ART;
 import * as C from './constants';

src/Grid.js

@@ -1,4 +1,5 @@
-import React, { Component, PropTypes } from 'react';
+import PropTypes from 'prop-types';
+import React, { Component } from 'react';
 import { View, StyleSheet } from 'react-native';
 import { uniqueValuesInDataSets } from './util';
 
@@ -75,4 +76,4 @@ export default class Grid extends Component {
 			</View>
 		);
 	}
-}
+}

src/Wedge.js

@@ -22,8 +22,8 @@
  *	 (Int) innerRadius
  *
  */
-
-import React, { Component, PropTypes } from 'react';
+import PropTypes from "prop-types";
+import React, { Component } from 'react';
 import { ART } from 'react-native';
 const { Shape, Path } = ART;
 

src/xAxis.js

@@ -1,6 +1,7 @@
 /* @flow */
 'use strict';
-import React, { Component, PropTypes } from 'react';
+import PropTypes from "prop-types";
+import React, { Component } from 'react';
 import { View, Text, StyleSheet } from 'react-native';
 import { uniqueValuesInDataSets } from './util';
 

src/yAxis.js

@@ -1,5 +1,6 @@
 /* @flow */
-import React, { Component, PropTypes } from 'react';
+import PropTypes from "prop-types";
+import React, { Component } from 'react';
 import { View, Text, StyleSheet } from 'react-native';
 import { uniqueValuesInDataSets } from './util';