Use the rails 4.2 active job

Gemfile.lock

@@ -131,6 +131,8 @@ GEM
       capybara (>= 1.0, < 3)
       colored
       launchy
+    celluloid (0.16.0)
+      timers (~> 4.0.0)
     childprocess (0.5.5)
       ffi (~> 1.0, >= 1.0.11)
     climate_control (0.0.3)
@@ -242,6 +244,7 @@ GEM
     handlebars-source (1.3.0)
     hashie (3.4.0)
     hike (1.2.3)
+    hitimes (1.2.2)
     http_parser.rb (0.6.0)
     i18n (0.7.0)
     iso_country_codes (0.6.1)
@@ -427,6 +430,8 @@ GEM
       colorize (>= 0.7.0)
       net-scp (>= 1.1.2)
       net-ssh (>= 2.8.0)
+    sucker_punch (1.4.0)
+      celluloid (~> 0.16.0)
     temple (0.7.5)
     test_squad (0.0.1)
       rails
@@ -437,6 +442,8 @@ GEM
     thor (0.19.1)
     thread_safe (0.3.4)
     tilt (1.4.1)
+    timers (4.0.1)
+      hitimes
     tinymce-rails (4.1.6)
       railties (>= 3.1.1)
     turnip (1.2.4)
@@ -526,6 +533,7 @@ DEPENDENCIES
   slim-rails
   spring
   spring-commands-rspec
+  sucker_punch
   test_squad
   thin
   turnip