Fix edit uncategorized when on the /category/uncategorized page

Author: nlalonde

app/assets/javascripts/discourse/models/category.js

@@ -10,7 +10,11 @@ Discourse.Category = Discourse.Model.extend({
 
   init: function() {
     this._super();
-    if (!this.get('id') && this.get('name')) this.set('is_uncategorized', true);
+    if (!this.get('id') && this.get('name')) {
+      this.set('is_uncategorized', true);
+      if (!this.get('color'))      this.set('color',      Discourse.SiteSettings.uncategorized_color);
+      if (!this.get('text_color')) this.set('text_color', Discourse.SiteSettings.uncategorized_text_color);
+    }
   },
 
   url: function() {

app/models/site_setting.rb

@@ -86,9 +86,9 @@ class SiteSetting < ActiveRecord::Base
   setting(:max_mentions_per_post, 10)
   setting(:newuser_max_mentions_per_post, 2)
 
-  setting(:uncategorized_name, 'uncategorized')
-  setting(:uncategorized_color, 'AB9364');
-  setting(:uncategorized_text_color, 'FFFFFF');
+  client_setting(:uncategorized_name, 'uncategorized')
+  client_setting(:uncategorized_color, 'AB9364');
+  client_setting(:uncategorized_text_color, 'FFFFFF');
 
   setting(:unique_posts_mins, Rails.env.test? ? 0 : 5)