fix: update to compatible with RN > 0.25

Author: xwenliang

index.js

@@ -1,6 +1,13 @@
-'use strict';
+/**
+ * react-native-slide main
+ */
 
 import React, {
+	Component,
+	PropTypes
+} from 'react';
+
+import{
 	StyleSheet,
 	PropTypes,
 	View,

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-native-slide",
-  "version": "0.2.1",
+  "version": "0.2.2",
   "description": "react-native-slide",
   "main": "index.js",
   "scripts": {