code: public Specification getSpecification(String spaceKey, String pageTitle) throws GreenPepperServerException {
          Specification specification = Specification.newInstance(pageTitle);
          specification.setRepository(getHomeRepository(spaceKey));
          return getGPServerService().getSpecification(specification);
      }
docs: Retrieves the specification
  <p/>
  
  @param spaceKey
  Space Key
  @param pageTitle
  String pageTitle
  @return the specification.
  @throws com.greenpepper.server.GreenPepperServerException if any.