title: IOS: How to do twitter integration using Fabric for ios8 and ios9
body: <p>For ios9 Twitter integration using Fabric is working fine but when I am doing it for ios8 its showing all the 3 error   </p>
  
  <p>1) Could not build module 'TwitterKit'<br>
  2) Could not build module 'TwitterCore'<br>
  3) Cocoa/Cocoa.h' file not found</p>