解决RN0.42 安卓下报错闪退的问题，将es6-promisify替换为bluebird

Author: folyred

index.js

@@ -1,5 +1,6 @@
 import { NativeAppEventEmitter, NativeModules } from 'react-native';
-import promisify from 'es6-promisify';
+// import promisify from 'es6-promisify';
+import Promise from 'bluebird'
 
 const WeChatAPI = NativeModules.WeChatAPI;
 
@@ -57,7 +58,7 @@ function wrapCheckApi(nativeFunc) {
  return undefined;
  }
 
- const promisified = promisify(nativeFunc, translateError);
+ const promisified = Promise.promisify(nativeFunc, translateError);
  return (...args) => {
  return promisified(...args);
  };
@@ -71,7 +72,7 @@ function wrapApi(nativeFunc) {
  return undefined;
  }
 
- const promisified = promisify(nativeFunc, translateError);
+ const promisified = Promise.promisify(nativeFunc, translateError);
  return async function (...args) {
  if (!WeChatAPI.isAppRegistered) {
  throw new Error('注册应用失败');