Added version control for wiki pages.

vendor/plugins/acts_as_versioned/test/fixtures/migrations/1_add_versioned_tables.rb

@@ -0,0 +1,15 @@
+class AddVersionedTables < ActiveRecord::Migration
+  def self.up
+    create_table("things") do |t|
+      t.column :title, :text
+      t.column :price, :decimal, :precision => 7, :scale => 2
+      t.column :type, :string
+    end
+    Thing.create_versioned_table
+  end
+  
+  def self.down
+    Thing.drop_versioned_table
+    drop_table "things" rescue nil
+  end
+end