* Removed memcaching for TagImplication (too many latent race conditions)

* Added Post.exact_tag_match to skip normalization/metatag parsing
* Added DelayedJob support for tag alias/implication processing

db/migrate/20100211191709_create_tag_aliases.rb

@@ -4,7 +4,9 @@ class CreateTagAliases < ActiveRecord::Migration
       t.column :antecedent_name, :string, :null => false
       t.column :consequent_name, :string, :null => false
       t.column :creator_id, :integer, :null => false
+      t.column :creator_ip_addr, :inet, :null => false
       t.column :forum_topic_id, :integer
+      t.column :status, :text, :null => false, :default => "pending"
       t.timestamps
     end
     

db/migrate/20100211191716_create_tag_implications.rb

@@ -5,7 +5,9 @@ class CreateTagImplications < ActiveRecord::Migration
       t.column :consequent_name, :string, :null => false
       t.column :descendant_names, :text, :null => false
       t.column :creator_id, :integer, :null => false
+      t.column :creator_ip_addr, :inet, :null => false
       t.column :forum_topic_id, :integer
+      t.column :status, :text, :null => false, :default => "pending"
       t.timestamps
     end