More improvements to SQL Lab (#1104)

* Handling timeouts

* Fixing timer on non-utc server

* Allowing async with results

* [bugfix] database is not selected

* Making sure the session is up and running

* Cleaning up query results and query objects

* Picking a groupby and metric field on visualize flow

* Showing local time in query history

* Using pull-left pull-right instead of grid layout for table metdata

Long column name were looking weird and icons were wrapping oddly

* Linting

* Eliminating east buttons under the sql editor

* Sort database dropdown by name

* Linting

* Allowing non-SELECT statements to run

* Adding a db config

* Making sqla checkout check cross-db

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

@@ -41,7 +41,7 @@ class QueryTable extends React.Component {
       if (q.endDttm) {
         q.duration = fDuration(q.startDttm, q.endDttm);
       }
-      q.started = moment.utc(q.startDttm).format('HH:mm:ss');
+      q.started = moment(q.startDttm).format('HH:mm:ss');
       const source = (q.ctas) ? q.executedSql : q.sql;
       q.sql = (
         <SqlShrink sql={source} />