code: public String getImplementedContent(Page page) throws GreenPepperServerException
      {
      	Integer version = getImplementedVersion(page);
      	if(version == null)
      		throw new GreenPepperServerException(NEVER_IMPLEMENTED, "Never Implemented");
      	
      	return getPageManager().getPageByVersion(page, version).getContent();
      }
docs: Retrieves the content of the specification at the implemented version.
  @param page
  @return the content of the specification at the implemented version.
  @throws GreenPepperServerException