Merge branch 'state-machine-to-state-machines-activerecord' into 'master'

Switch to state_machines-activerecord (Fixes: #3374)

state_machine is unmaintained

See merge request !1764

Gemfile

@@ -109,7 +109,7 @@ group :unicorn do
 end
 
 # State machine
-gem "state_machine", '~> 1.2.0'
+gem "state_machines-activerecord", '~> 0.3.0'
 # Run events after state machine commits
 gem 'after_commit_queue'
 

Gemfile.lock

@@ -686,7 +686,13 @@ GEM
       activesupport (>= 3.0)
       sprockets (>= 2.8, < 4.0)
     stamp (0.6.0)
-    state_machine (1.2.0)
+    state_machines (0.4.0)
+    state_machines-activemodel (0.3.0)
+      activemodel (~> 4.1)
+      state_machines (>= 0.4.0)
+    state_machines-activerecord (0.3.0)
+      activerecord (~> 4.1)
+      state_machines-activemodel (>= 0.3.0)
     stringex (2.5.2)
     systemu (2.6.5)
     task_list (1.0.2)
@@ -905,7 +911,7 @@ DEPENDENCIES
   spring-commands-teaspoon (~> 0.0.2)
   sprockets (~> 2.12.3)
   stamp (~> 0.6.0)
-  state_machine (~> 1.2.0)
+  state_machines-activerecord (~> 0.3.0)
   task_list (~> 1.0.2)
   teaspoon (~> 1.0.0)
   teaspoon-jasmine (~> 2.2.0)

config/initializers/state_machine_patch.rb

-# This is a patch to address the issue in https://github.com/pluginaweek/state_machine/issues/251
-# where gem 'state_machine' was not working for Rails 4.1
-module StateMachine
-  module Integrations
-    module ActiveModel
-      public :around_validation
-    end
-  end
-end