title: Zxing 2.2 import as a library project(not .jar) in eclipse
body: <p>I have downloaded the zxing 2.2 code from the below link</p>
  
  <p><a href="https://code.google.com/p/zxing/downloads/list" rel="nofollow">https://code.google.com/p/zxing/downloads/list</a></p>
  
  <p>My requirement is to import the "core" project into eclipse and add few code into it. then mark it to be library project. </p>
  
  <p>I want to include this library project into barcode scanner sample app and use the barcode scanner app as library from my project.</p>