Removed unused acts_as_configurable gem.

Gemfile

@@ -71,7 +71,3 @@ group :development do
   # Avoid having content-length warnings
   gem 'thin'
 end
-
-# Gems left for backwards compatibility
-gem 'acts_as_configurable', git: 'git://github.com/bwalding/acts_as_configurable.git' # user settings migration needs it
-

Gemfile.lock

@@ -4,13 +4,6 @@ GIT
   specs:
     localize_input (0.1.0)
 
-GIT
-  remote: git://github.com/bwalding/acts_as_configurable.git
-  revision: cdf6f6f979019275b523d10684b748f08e2dd8e8
-  specs:
-    acts_as_configurable (0.0.1)
-      rake
-
 GIT
   remote: git://github.com/technoweenie/acts_as_versioned.git
   revision: 63b1fc8529d028fae632fe80ec0cb25df56cd76b
@@ -263,7 +256,6 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  acts_as_configurable!
   acts_as_tree
   acts_as_versioned!
   better_errors

db/migrate/20130718183101_migrate_user_settings.rb

@@ -1,12 +1,18 @@
 class MigrateUserSettings < ActiveRecord::Migration
   def up
+    say_with_time 'Save old user settings in new RailsSettings module' do
       old_settings = ConfigurableSetting.all
 
       old_settings.each do |old_setting|
         # get target (user)
         type      = old_setting.configurable_type
         id        = old_setting.configurable_id
+        begin
           user      = type.constantize.find(id)
+        rescue ActiveRecord::RecordNotFound
+          Rails.logger.debug "Can't find configurable object with type: #{type.inspect}, id: #{id.inspect}"
+          next
+        end
 
         # get the data (settings)
         name      = old_setting.name
@@ -29,6 +35,12 @@ class MigrateUserSettings < ActiveRecord::Migration
       end
     end
 
+    drop_table :configurable_settings
+  end
+
   def down
   end
 end
+
+# this is the base class of all configurable settings
+class ConfigurableSetting < ActiveRecord::Base; end

db/schema.rb

@@ -66,18 +66,6 @@ ActiveRecord::Schema.define(:version => 20130718183101) do
 
   add_index "assignments", ["user_id", "task_id"], :name => "index_assignments_on_user_id_and_task_id", :unique => true
 
-  create_table "configurable_settings", :force => true do |t|
-    t.integer "configurable_id"
-    t.string  "configurable_type"
-    t.integer "targetable_id"
-    t.string  "targetable_type"
-    t.string  "name",              :default => "", :null => false
-    t.string  "value_type"
-    t.text    "value"
-  end
-
-  add_index "configurable_settings", ["name"], :name => "index_configurable_settings_on_name"
-
   create_table "deliveries", :force => true do |t|
     t.integer  "supplier_id"
     t.date     "delivered_on"