basic lightbox support

app/models/post.rb

@@ -14,12 +14,10 @@ class Post < ActiveRecord::Base
     FLAG_THRESHOLD_REACHED_AGAIN = 2
   end
 
-
   versioned
-
   rate_limit
-
   acts_as_paranoid
+
   after_recover :update_flagged_posts_count
   after_destroy :update_flagged_posts_count
 

app/models/site_customization.rb

@@ -107,7 +107,7 @@ footer:after{ content: '#{error}' }"
 
     @lock.synchronize do
       style = self.where(key: key).first
-      style.ensure_stylesheet_on_disk!
+      style.ensure_stylesheet_on_disk! if style
       @cache[key] = style
     end
   end

app/models/site_setting.rb

@@ -81,7 +81,7 @@ class SiteSetting < ActiveRecord::Base
   setting(:max_flags_per_day, 20)
   setting(:max_edits_per_day, 30)
   setting(:max_favorites_per_day, 20)
-
+  setting(:auto_link_images_wider_than, 50)
 
   setting(:email_time_window_mins, 5)