[sql-lab] fix react warnings in dev (#1232)

* rename file to match class

* fix react warnings

* fix proptype typo

* add missing keys

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

@@ -54,8 +54,8 @@ class SouthPane extends React.Component {
     }
     return (
       <div className="SouthPane">
-        <Tabs bsStyle="tabs">
-          <Tab title="Results" eventKey={1}>
+        <Tabs bsStyle="tabs" id={shortid.generate()}>
+          <Tab title="Results" eventKey={1} id={shortid.generate()}>
             <div style={{ overflow: 'auto' }}>
               {results}
             </div>