title: Getting "Unable to execute dex: Multiple dex files define" error when trying to run main project which is using other library project
body: <p>I am trying use androidVNC open source project as a Library Project in my MainProject. androidVNC has also used ZoomerWithKeys library project. I want start a activity of androidVNC library project in my MainProject by clicking on a Button.
  I have done all the basic things like to define all the activity of library project in Manifest of main Project. </p>
  
  <p>The problem is that i am getting following error when trying to running my MainProject -
  Dex Loader] Unable to execute dex: Multiple dex files define Lcom/antlersoft/android/zoomer/R$drawable;
  [2013-05-16 15:44:03 - OtherProj] Conversion to Dalvik format failed: Unable to execute dex: Multiple dex files define Lcom/antlersoft/android/zoomer/R$drawable;</p>
  
  <p>Thanks in advance.</p>