Minor tweaks

ui/src/chronograf/components/Panel.js

@@ -171,9 +171,7 @@ const Panel = React.createClass({
   renderAddQuery() {
     return (
       <SimpleDropdown onChoose={this.onChoose} items={[{text: 'Builder'}, {text: 'Raw'}]} className="editor-chooser">
-        <div className="panel--tab">
-          <span className="icon plus"></span>
-        </div>
+        <span className="icon plus"></span>
       </SimpleDropdown>
     );
   },

ui/src/shared/components/SimpleDropdown.js

@@ -42,7 +42,9 @@ const Dropdown = React.createClass({
             {items.map((item, i) => {
               return (
                 <li className="dropdown-item" key={i} onClick={() => self.handleSelection(item)}>
-                  {item.text}
+                  <a href="#">
+                    {item.text}
+                  </a>
                 </li>
               );
             })}