[sqllab] table refactor (#2587)

* make react-virtualized table work
use dynamic sizing for cell width
enable filtering
require height prop for result set component

* fix tests and linting

* move some state to props

* move getTextWidth to visUtils

* make striped rows optional

* fix striped proptype

* update name to FilterableTable

* add basic test and fix linting

* accept array of columns keys rather than an array of objects that needs to be mapped

* move container div inside the component

* rename styles

* fit table component to width if it's smaller than parent container

* move stylesheet to javascript folder otherwise it throws an error on npm run prod

* move css to index.jsx

* fix result set spec

* fix linting and test

* fix result set props

* keep list immutable

superset/assets/javascripts/SqlLab/index.jsx

@@ -9,7 +9,9 @@ import { initEnhancer } from '../reduxUtils';
 import { initJQueryAjaxCSRF } from '../modules/utils';
 import App from './components/App';
 import { appSetup } from '../common';
-import './main.css';
+
+require('./main.css');
+require('../components/FilterableTable/FilterableTableStyles.css');
 
 appSetup();
 initJQueryAjaxCSRF();