Move '/.' back to first arg in :update_style

Rel imathis#1299

Author: parkr

Rakefile

@@ -184,7 +184,7 @@ task :update_style, :theme do |t, args|
   mv "sass", "sass.old"
   puts "## Moved styles into sass.old/"
   cp_r "#{themes_dir}/"+theme+"/sass/", "sass"
-  cp_r "sass/custom", "sass.old/custom/."
+  cp_r "sass/custom/.", "sass.old/custom"
   puts "## Updated Sass ##"
 end