Add update to sync wiki.roundup-tracker.org's roundup theme. Current hg was missing a line, not sure what the line does, but we are in sync now.

Author: rouilj

website/wiki/wiki/data/plugin/theme/roundup.py

@@ -80,6 +80,9 @@ def header(self, d):
         _ = self.request.getText
 
         html = [
+            # Pre header custom html
+            self.emit_custom_html(self.cfg.page_header1),
+
             u'<div class="header">',
             self.logo(),
             self.searchform(d),