README_ACTIVERESOURCE

See https://rails.lighthouseapp.com/projects/8994/tickets/5867-activeresource-is-not-parsing-json-correct
In order for ActiveResource to properly decode json in version 2.3.10, the following patch needs to be applied:

diff --git a/activeresource/lib/active_resource/formats/json_format.rb b/activeresource/lib/active_resource/formats/json_format.rb
index 9980634..6a06483 100644
--- a/activeresource/lib/active_resource/formats/json_format.rb
+++ b/activeresource/lib/active_resource/formats/json_format.rb
@@ -18,8 +18,22 @@ module ActiveResource
       end
 
       def decode(json)
-        ActiveSupport::JSON.decode(json)
+        decoded_json = ActiveSupport::JSON.decode(json)
+        if decoded_json.is_a?(Array)
+          decoded_json.map! { |e| from_json_data(e) }
+        else
+          from_json_data(decoded_json)
+        end
       end
+
+      private
+        def from_json_data(data)
+          if data.is_a?(Hash) && data.keys.size == 1
+            data.values.first
+          else
+            data
+          end
+        end