code: public Repository getHomeRepository(String spaceKey) throws GreenPepperServerException {
          String uid = getSettingsManager().getGlobalSettings().getSiteTitle() + "-" + spaceKey;
          Repository repository = Repository.newInstance(uid);
          repository.setMaxUsers(getNumberOfUserForGreenPepperUserGroup());
          return repository;
      }
docs: Retrieves the home repository of the confluence space.
  </p>
  
  @param spaceKey a {@link java.lang.String} object.
  @return the home repository of the confluence space.
  @throws com.greenpepper.server.GreenPepperServerException if any.