Added some localization

app/models/ability.rb

@@ -10,7 +10,7 @@ class Ability
     can :read, Forum, :state => true, :category => { :state => true }
     can :read, Topic, :forum => { :state => true, :category => { :state => true } }
     can :read, Post, :topic => { :forum => { :state => true, :category => { :state => true } } }
-    
+
     can :update, Post, :user_id => user.id, :topic => { :locked => false }
     can :destroy, [Topic,Post], :user_id => user.id, :topic => { :locked => false }
     

app/models/user.rb

@@ -16,6 +16,6 @@ class User < ActiveRecord::Base
   has_many :posts, :dependent => :destroy
   
   def admin?
-    true if self.username == 'admin'
+    self.is_admin
   end
 end