New "Time Series - Table" visualization (#3543)

* [WiP] adding a new "Time Series - Table" viz

* Adding drag-n-drop to collection

* Using keys in arrays

* tests

superset/assets/javascripts/explore/components/controls/BoundsControl.jsx

@@ -5,16 +5,11 @@ import ControlHeader from '../ControlHeader';
 import { t } from '../../../locales';
 
 const propTypes = {
-  name: PropTypes.string.isRequired,
-  label: PropTypes.string,
-  description: PropTypes.string,
   onChange: PropTypes.func,
   value: PropTypes.array,
 };
 
 const defaultProps = {
-  label: null,
-  description: null,
   onChange: () => {},
   value: [null, null],
 };