Add header.

lib/gollum/frontend/views/page.rb

@@ -1,7 +1,7 @@
 module Precious
   module Views
     class Page < Layout
-      attr_reader :content, :page, :footer
+      attr_reader :content, :page, :header, :footer
       DATE_FORMAT = "%Y-%m-%d %H:%M:%S"
       DEFAULT_AUTHOR = 'you'
 
@@ -27,6 +27,19 @@ module Precious
         @editable
       end
 
+      def has_header
+        @header = (@page.header || false) if @header.nil?
+        !!@header
+      end
+
+      def header_content
+        has_header && @header.formatted_data
+      end
+
+      def header_format
+        has_header && @header.format.to_s
+      end
+
       def has_footer
         @footer = (@page.footer || false) if @footer.nil?
         !!@footer