Set the resource ivar to let meta tags be inferred

Solidus sets meta tags if it finds meta_* attributes on the current
controller resource ivar (i.e. names as `controller_name.singularize`).

app/controllers/spree/static_content_controller.rb

@@ -4,6 +4,10 @@ class Spree::StaticContentController < Spree::StoreController
 
  def show
  @page = Spree::Page.by_store(current_store).visible.find_by_slug!(request.path)
+
+ # Assign static_content to let solidus recognize it as the current
+ # controller resource, this is used by meta tags and in other places.
+ @static_content = @page
  end
 
  private

app/views/spree/static_content/show.html.erb

@@ -1,16 +1,6 @@
 <% if @page.layout.present? and @page.render_layout_as_partial? %>
  <%= render :partial => @page.layout %>
 <% else %>
- <% content_for :head do -%>
- <%- if @page.meta_title.present? -%>
- <meta name="title" content="<%=@page.meta_title%>">
- <%- else -%>
- <meta name="title" content="<%=@page.title%>">
- <%- end -%>
- <meta name="keywords" content="<%=@page.meta_keywords%>">
- <meta name="description" content="<%=@page.meta_description%>">
- <% end -%>
-
  <% content_for :sidebar do %>
  <% if @products && @taxon %>
  <%= render :partial => "spree/shared/filters" %>