SQL Lab - A multi-tab SQL editor (#514)

* Carapal react mockup

This is really just a mock up written in React to try different
components. It could become scaffolding to build a prototype, or not.

* Merging in Alanna's theme tweaks for SQL lab

* Tweak the display of the alert message in navbar

* Sketching the middleware refresh for Queries

* Adjustments

* Implement timer sync.

* CTAS

* Refactor the queries to be stored as a dict. (#994)

* Download csv endpoint. (#992)

* CSV download engdpoint.

* Use lower case booleans.

* Replcate loop with the object lookup by key.

* First changes for the sync

* Address comments

* Fix query deletions. Update only the queries from the store.

* Sync queries using tmp_id.

* simplify

* Fix the tests in the carapal. (#1023)

* Sync queries using tmp_id.

* Fix the unit tests

* Bux fixes. Pass 2.

* Tweakin' & linting

* Adding alpha label to the SQL LAb navbar entry

* Fixing the python unit tests

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

@@ -0,0 +1,23 @@
+import React from 'react';
+import { BootstrapTable, TableHeaderColumn } from 'react-bootstrap-table';
+
+const TableMetadata = function (props) {
+  return (
+    <BootstrapTable
+      condensed
+      data={props.table.columns}
+    >
+      <TableHeaderColumn dataField="id" isKey hidden>
+        id
+      </TableHeaderColumn>
+      <TableHeaderColumn dataField="name">Name</TableHeaderColumn>
+      <TableHeaderColumn dataField="type">Type</TableHeaderColumn>
+    </BootstrapTable>
+  );
+};
+
+TableMetadata.propTypes = {
+  table: React.PropTypes.object,
+};
+
+export default TableMetadata;