install.rb in searchjoy-0.3.0

- old
+ new

@@ -1,5 +1,5 @@
-class <%= migration_class_name %> < ActiveRecord::Migration
+class <%= migration_class_name %> < ActiveRecord::Migration<%= migration_version %>
   def change
     create_table :searchjoy_searches do |t|
       t.integer :user_id
       t.string :search_type
       t.string :query