NoMethodError on localhost: Undefined method password_salt

Gemfile.lock

@@ -157,7 +157,7 @@ GEM
       pry (~> 0.9.10)
     pry-rails (0.2.2)
       pry (>= 0.9.10)
-    rack (1.2.6)
+    rack (1.2.7)
     rack-mount (0.6.14)
       rack (>= 1.0.0)
     rack-test (0.5.7)

app/models/user.rb

@@ -33,6 +33,7 @@ class User < ActiveRecord::Base
   #   last_sign_in_at        : datetime 
   #   current_sign_in_ip     : string 
   #   last_sign_in_ip        : string 
+  #   salt                   : string 
   # =======================
 
   # Include default devise modules. Others available are:

db/migrate/20120812151425_add_devise_to_users.rb

@@ -6,14 +6,15 @@ def self.up
       # t.rememberable
       # t.trackable
 
-      # t.encryptable
+      t.encryptable
       # t.confirmable
       # t.lockable :lock_strategy => :failed_attempts, :unlock_strategy => :both
       # t.token_authenticatable
 
 
       # Uncomment below if timestamps were not included in your original model.
       # t.timestamps
+      t.string :password_salt
     end
 
     # add_index :users, :email,                :unique => true

db/migrate/20121202224402_devise_create_users.rb

@@ -2,11 +2,11 @@ class DeviseCreateUsers < ActiveRecord::Migration
   def self.up
     change_table(:users) do |t|
       # t.database_authenticatable :null => false
-      # t.recoverable
-      # t.rememberable
-      # t.trackable
+      t.recoverable
+      t.rememberable
+      t.trackable
 
-      # t.encryptable
+      t.encryptable
       # t.confirmable
       # t.lockable :lock_strategy => :failed_attempts, :unlock_strategy => :both
       # t.token_authenticatable
@@ -16,8 +16,8 @@ def self.up
       # t.timestamps
     end
 
-    # add_index :users, :email,                :unique => true
-    # add_index :users, :reset_password_token, :unique => true
+    add_index :users, :email,                :unique => true
+    add_index :users, :reset_password_token, :unique => true
     # add_index :users, :confirmation_token,   :unique => true
     # add_index :users, :unlock_token,         :unique => true
     # add_index :users, :authentication_token, :unique => true

db/migrate/20130123182620_add_salt_to_users.rb

@@ -0,0 +1,9 @@
+class AddSaltToUsers < ActiveRecord::Migration
+  def self.up
+    add_column :users, :salt, :string
+  end
+
+  def self.down
+    remove_column :users, :salt
+  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 => 20121229233342) do
+ActiveRecord::Schema.define(:version => 20130123182620) do
 
   create_table "applics", :force => true do |t|
     t.integer  "job_id"
@@ -252,6 +252,7 @@
     t.datetime "last_sign_in_at"
     t.string   "current_sign_in_ip"
     t.string   "last_sign_in_ip"
+    t.string   "salt"
   end
 
   add_index "users", ["email"], :name => "index_users_on_email", :unique => true