Add missing gem (since Rails 4.2 upgrade)

Gemfile.lock

@@ -4,6 +4,17 @@ GIT
   specs:
     localize_input (0.1.0)
 
+GIT
+  remote: git://github.com/josevalim/inherited_resources.git
+  revision: ff1c991307ff78cce98882b6986aeabbbcfd70c4
+  branch: rails-4-2
+  specs:
+    inherited_resources (1.5.1)
+      actionpack (>= 3.2, < 5)
+      has_scope (~> 0.6.0.rc)
+      railties (>= 3.2, < 5)
+      responders
+
 GIT
   remote: git://github.com/technoweenie/acts_as_versioned.git
   revision: 63b1fc8529d028fae632fe80ec0cb25df56cd76b
@@ -168,6 +179,9 @@ GEM
       haml (>= 3.1, < 5.0)
       html2haml (>= 1.0.1)
       railties (>= 4.0.1)
+    has_scope (0.6.0.rc)
+      actionpack (>= 3.2, < 5)
+      activesupport (>= 3.2, < 5)
     hike (1.2.3)
     hpricot (0.8.6)
     html2haml (1.0.1)
@@ -305,6 +319,8 @@ GEM
     redis-namespace (1.5.1)
       redis (~> 3.0, >= 3.0.4)
     ref (1.0.5)
+    responders (2.0.2)
+      railties (>= 4.2.0.alpha, < 5)
     resque (1.25.2)
       mono_logger (~> 1.0)
       multi_json (~> 1.0)
@@ -466,6 +482,7 @@ DEPENDENCIES
   i18n-js (~> 3.0.0.rc8)
   i18n-spec
   ice_cube!
+  inherited_resources!
   jquery-rails
   kaminari
   less-rails