adds an RSS feed for pages/all

lib/foodsoft_wiki/app/views/pages/all.html.haml

@@ -9,6 +9,7 @@
       %li= link_to t('.recent_changes'), all_pages_path(:view => 'recent_changes')
       %li= link_to t('.title_list'), all_pages_path(:view => 'title_list')
       %li= link_to t('.site_map'), all_pages_path(:view => 'site_map')
+      %li= link_to image_tag('icons/feed-icon-14x14.png', :alt => 'RSS Feed'), all_pages_rss_url
     = form_tag all_pages_path, method: :get, class: 'form-search pull-right' do
       = text_field_tag :name, params[:name], class: 'input-medium search-query',
         placeholder: t('.search.placeholder')

lib/foodsoft_wiki/app/views/pages/all.rss.builder

@@ -0,0 +1,19 @@
+xml.instruct! :xml, :version => "1.0" 
+xml.rss :version => "2.0" do
+  xml.channel do
+    xml.title FoodsoftConfig[:name] + " Wiki"
+    xml.description ""
+    xml.link FoodsoftConfig[:homepage]
+
+    for page in @pages
+      xml.item do
+        xml.title page.title
+        xml.description page.diff, :type => "html"
+        xml.author User.find(page.updated_by).display
+        xml.pubDate page.updated_at.to_s(:rfc822)
+        xml.link wiki_page_path(page.permalink)
+        xml.guid page.updated_at.to_i
+      end
+    end
+  end
+end