Onlt shoe theme description when there is one

lib/common/models/wp_theme/output.rb

@@ -12,7 +12,7 @@ class WpTheme
       puts " |  Referenced style.css: #{referenced_url}" if referenced_url && referenced_url != style_url
       puts " |  Theme Name: #{@theme_name}" if @theme_name
       puts " |  Theme URI: #{@theme_uri}" if @theme_uri
-      puts " |  Description: #{theme_desc}"
+      puts " |  Description: #{theme_desc}" if theme_desc
       puts " |  Author: #{@theme_author}" if @theme_author
       puts " |  Author URI: #{@theme_author_uri}" if @theme_author_uri
       puts " |  Template: #{@theme_template}" if @theme_template and verbose