Integrate the splash page into the general layout

* Cleanup the CSS
* Fix more views then you have fingers and toes
* Introduce position(weight) for sponsor levels
* Fix bootstrap/datatable integration

app/views/admin/users/index.html.haml

@@ -1,12 +1,14 @@
 .row
   .col-md-12
-    %h2
-      Users
-      - if @users
-        = "(#{@users.length})"
-
-      = link_to 'New User', new_admin_user_path, class: 'btn btn-success pull-right'
-    %table.table.table-striped.table-bordered.table-hover#users-datatable
+    .page-header
+      %h2
+        Users
+        - if @users
+          = "(#{@users.length})"
+        = link_to 'New User', new_admin_user_path, class: 'btn btn-success pull-right'
+.row
+  .col-md-12
+    %table.table.table-striped.table-bordered.table-hover.datatable
       %thead
         %th ID
         %th State
@@ -53,4 +55,4 @@
                   disabled: true, class: 'btn btn-primary disabled btn-danger', role: 'button'
                 - else
                   = link_to 'Delete',admin_user_path(user), method: :delete,
-                  data: { confirm: 'Are you sure ?' }, class: 'btn btn-primary btn-danger'
+                  data: { confirm: 'Are you sure ?' }, class: 'btn btn-primary btn-danger'