Implement Page#footer and display footer in frontend.

lib/gollum/frontend/views/page.rb

@@ -1,7 +1,7 @@
 module Precious
   module Views
     class Page < Layout
-      attr_reader :content, :page
+      attr_reader :content, :page, :footer
 
       def human_name
         @page.title
@@ -23,6 +23,21 @@ module Precious
         @page.version.authored_date.strftime("%Y-%m-%d %H:%M:%S")
       end
 
+      def has_footer
+        @footer ||= @page.footer
+        !@footer.nil?
+      end
+
+      def footer_content
+        @footer ||= @page.footer
+        @footer.formatted_data
+      end
+
+      def footer_format
+        @footer ||= @page.footer
+        @footer.format.to_s
+      end
+
       def versions
         i = @page.versions.size + 1
         @page.versions.map do |v|