Adding acts_as_list to habit... doesn't seem necessary, but was part

of the tutorial so I'll leave it in

Gemfile

@@ -40,4 +40,5 @@ gem 'jquery-rails'
 gem 'devise', '>= 2.0'
 gem 'whenever'
 gem 'mysql2'
-gem 'therubyracer'
+gem 'therubyracer'
+gem "acts_as_list"

app/models/habit.rb

@@ -4,8 +4,8 @@ class Habit < ActiveRecord::Base
   ONE_TIME = 3
   
   belongs_to :user
-  
   default_scope :order => 'position ASC'
+  acts_as_list
   
   # TODO set cron for this
   def self.clear_done