acts-as-list-migrate

The migration generator knows about `acts_as_list`, so you can just
run it and you'll get the new position column on Task.

    $ hobo generate migration

And that's it!

db/migrate/20130109024936_install_acts_as_list.rb

@@ -0,0 +1,9 @@
+class InstallActsAsList < ActiveRecord::Migration
+  def self.up
+    add_column :tasks, :position, :integer
+  end
+
+  def self.down
+    remove_column :tasks, :position
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20130109022053) do
+ActiveRecord::Schema.define(:version => 20130109024936) do
 
   create_table "projects", :force => true do |t|
     t.string   "name"
@@ -54,6 +54,7 @@
     t.datetime "created_at"
     t.datetime "updated_at"
     t.integer  "story_id"
+    t.integer  "position"
   end
 
   add_index "tasks", ["story_id"], :name => "index_tasks_on_story_id"