Replace Spree::ShippingMethods new view by our own and apply overrides

app/overrides/spree/admin/shipping_methods/new/add_hubs_sidebar.html.haml.deface

@@ -1,4 +0,0 @@
-/ insert_after "code[erb-loud]:contains(\"render :partial => 'form', :locals => { :f => f }\")"
-
-.one.column  
-= render :partial => 'spree/admin/shared/hubs_sidebar', :locals => { f: f, klass: :shipping_method }

app/overrides/spree/admin/shipping_methods/new/remove_configuration_sidebar.deface

@@ -1 +0,0 @@
-remove "code[erb-loud]:contains(\"render :partial => 'spree/admin/shared/configuration_menu'\")"

app/views/spree/admin/shipping_methods/new.html.haml

@@ -0,0 +1,16 @@
+- content_for :page_title do
+  = Spree.t(:new_shipping_method)
+- content_for :page_actions do
+  %li
+    = button_link_to Spree.t(:back_to_shipping_methods_list), spree.admin_shipping_methods_path, :icon => 'icon-arrow-left'
+%div
+  = render :partial => 'spree/shared/error_messages', :locals => { :target => @shipping_method }
+%div
+  = form_for [:admin, @shipping_method] do |f|
+    %fieldset.no-border-top
+      = render :partial => 'form', :locals => { :f => f }
+      .one.column  
+      = render :partial => 'spree/admin/shared/hubs_sidebar', :locals => { f: f, klass: :shipping_method }
+      .clear
+      %div
+        = render :partial => 'spree/admin/shared/new_resource_links'