title: React Native 0.45 - Cannot find entry file index.ios.js
body: <p>I just updated my react native project to version 0.45
  and when using this command : react-native run-ios on the root of this project 
  I am getting this error : </p>
  
  <p>Cannot find entry file index.ios.js in any of the roots ....
  and i can see that the server is trying to look for JS files in </p>
  
  <p>Looking for JS files in
     /Users/someUser/Code/ReactTest/node_modules/react-native/packager</p>
  
  <p>when using this command : npm run start -- --root .</p>
  
  <p>i can see that the server is looking for js file in the correct location </p>
  
  <p>Looking for JS files in
     /Users/someUser/Code/ReactTest</p>
  
  <p>and every thing is working from here </p>
  
  <p>why the react-native run-ios is try to look in the wrong location ?</p>