Conditionally display tagline

views/layout.haml

@@ -27,7 +27,7 @@
       .grid_12
         %h1.logo
           = SETTING.site_name
-          -#
+          - if SETTING.site_tagline
             %span.tagline
               = SETTING.site_tagline
         #nav.noprint
@@ -44,4 +44,4 @@
               Adrian Short.
             %a{ :href => "https://github.com/adrianshort/armchair-auditor" }<
               Get the code on GitHub.
- 
+