Numerous improvements to SQL Lab (#1088)

* Improving the Visualize flow

* Fixed the timer

* CTAS

* Expiclit engine handling

* make tab full height, stretch for longer content (#1081)

* Better error handling for queries

* Hooked and fixed CSV export

* Linting

* Tying in the dttm in the viz flow

* Indicator showing when going offline

* Addressing comments, fixing the build

* Fixing unit tests

caravel/assets/javascripts/SqlLab/components/TabbedSqlEditors.jsx

@@ -49,7 +49,6 @@ class QueryEditors extends React.Component {
     const editors = this.props.queryEditors.map((qe, i) => {
       let latestQuery = this.props.queries[qe.latestQueryId];
       const database = this.props.databases[qe.dbId];
-
       const state = (latestQuery) ? latestQuery.state : '';
       const tabTitle = (
         <div>