More design work on navigation

--HG--
branch : 1.x

src/Orchard.Web/Core/Navigation/Scripts/navigation-admin.js

@@ -27,7 +27,7 @@
         helper: 'clone',
         items: 'li',
         maxLevels: 6,
-        opacity: .6,
+        opacity: 1,
         placeholder: 'navigation-placeholder',
         revert: 50,
         tabSize: 30,

src/Orchard.Web/Core/Navigation/Styles/navigation-admin.css

@@ -35,7 +35,7 @@
 
 .navigation-menu li div:hover  {
 	background: #eee url(images/move.gif) no-repeat 9px 7px;
-	border: 1px solid #487328;
+	border: 1px solid #999;
 }
 
 .navigation-menu-item h2 
@@ -105,8 +105,8 @@
 }
 
 .menu-items-zone {
-    background:#F3F4F5;
-    border:1px solid #E4E5E6;
+    /*background: #F3F4F5;*/
+    /*border:1px solid #E4E5E6;*/
     padding:0px;
 }
 
@@ -117,8 +117,8 @@
 
 .menu-items-zone li {
     background:#FFF;
-    border:1px solid #EAEAEA;
-    margin: 2px;
+    border:1px solid #CCC;
+    margin-bottom: 5px;
     padding: 5px;
     padding-right:65px;
     display: block;

src/Orchard.Web/Core/Navigation/Views/Admin/Index.cshtml

@@ -33,6 +33,7 @@
     </div>
 </div>
 
+
 @using (Html.BeginFormAntiForgeryPost()) {
     <div class="sections">
         <div class="primary">
@@ -63,6 +64,7 @@
             </ul>
         </div>
     </div>
+    
     <fieldset class="actions">
         <button type="submit" class="button">@T("Save All")</button>
     </fieldset>