add home button to doc page and example page

source/Ox.UI/js/Code/DocPage.js

@@ -24,6 +24,19 @@ Ox.DocPage = function(options, self) {
 
     self.$toolbar = Ox.Bar({size: 24});
 
+    self.$homeButton = Ox.Button({
+            title: 'home',
+            tooltip: 'Home',
+            type: 'image'
+        })
+        .css({float: 'left', margin: '4px 2px 4px 4px'})
+        .bindEvent({
+            click: function() {
+                that.triggerEvent('close');
+            }
+        })
+        .appendTo(self.$toolbar);
+
     self.$title = Ox.Label({
             style: 'square',
             title: self.options.item.name
@@ -34,7 +47,7 @@ Ox.DocPage = function(options, self) {
             height: '13px',
             paddingTop: '1px',
             borderRadius: '4px',
-            margin: '4px'
+            margin: '4px 2px 4px 2px'
         })
         .appendTo(self.$toolbar)