asset drop & naming

      drop in new assets
      get naming in sync with UX
      Note: not all resources are included yet
      item_background...xm will be enabled when all required resources come in

Change-Id: I321084abd25ef6c533f1f3da636a246e7ee00547
diff --git a/res/layout/tab_title.xml b/res/layout/tab_title.xml
index ce3f987..164e9b6 100644
--- a/res/layout/tab_title.xml
+++ b/res/layout/tab_title.xml
@@ -59,7 +59,7 @@
         android:singleLine="true" />
     <ImageButton
         android:id="@+id/close"
-        android:background="@drawable/browserbarbutton"
+        android:background="?android:attr/selectableItemBackground"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginRight="16dip"