fix for render_region :top for layouts and snippets

Author: cristi

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

@@ -1,7 +1,7 @@
 - @page_title = 'Layouts - ' + default_page_title
 
 .outset
-  - render_region :top
+  = render_region :top
   %table#layouts.index
     %thead
       %tr

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

@@ -1,7 +1,7 @@
 - @page_title = 'Snippets - ' + default_page_title
 
 .outset
-  - render_region :top
+  = render_region :top
   %table#snippets.index
     %thead
       %tr

lib/radiant/admin_ui.rb

@@ -194,7 +194,6 @@ def load_default_snippet_regions
           edit.form_bottom.concat %w{edit_buttons edit_timestamp}
         end
         snippet.index = RegionSet.new do |index|
-          index.top.concat %w{help_text}
           index.thead.concat %w{title_header modify_header}
           index.tbody.concat %w{title_cell modify_cell}
           index.bottom.concat %w{new_button}
@@ -211,7 +210,6 @@ def load_default_layout_regions
           edit.form_bottom.concat %w{edit_buttons edit_timestamp}
         end
         layout.index = RegionSet.new do |index|
-          index.top.concat %w{help_text}
           index.thead.concat %w{title_header modify_header}
           index.tbody.concat %w{title_cell modify_cell}
           index.bottom.concat %w{new_button}