code: @Override
      public DesignDocument getFromDatabase(CouchDbConnector db, String designDocumentId) {
      	return db.get(DesignDocument.class, designDocumentId);
      }
docs: /*
  (non-Javadoc)
  @see org.ektorp.support.DesignDocumentFactory#getFromDatabase(org.ektorp.CouchDbConnector, java.lang.String)