title: what is the OSGi bundle package structure?
body: <p>I am new to OSGi standard. I want to know more about the structure of a bundle package file.</p>
  
  <ol>
  <li>find there is this OSGi-INF folder, the specification mentioned about l10n and permission, I wonder where defined the use of OSGI-INF folder? Can I put other stuff into it?</li>
  <li>where to store the jar files referenced by the bundle?</li>
  <li>besides OSGi-INF and OSGi-OPT is there any folders defined by OSGi standard?</li>
  </ol>