gui: Reformat HTML & JS for consistent white space

(white space only change)

gui/default/syncthing/development/logbar.html

@@ -1,5 +1,5 @@
 <div class="dev-top-bar" id="dev-top-bar" style="display: none">
-    <link href="assets/css/dev.css" rel="stylesheet"/>
+    <link href="assets/css/dev.css" rel="stylesheet" />
     <div class="row">
         <div class="col-xs-4"><b>DEV</b></div>
         <div id="log" class="col-xs-8">
@@ -10,4 +10,4 @@
             </span>
         </div>
     </div>
-</div>
+</div>