title: Global variables in Eclipse RCP
body: <p>how do i solve this:</p>
  
  <p>I have usercredential informtion in my main RCP plugin. All other plugins should have that information as well. Preference Store is not possible, because also the presference store needs a nodename which needs to be globally available.</p>
  
  <p>Are there any possibilities to realize global variables?</p>
  
  <p>Thanks!</p>