WIP: first prototype of the JSON API.

* Tests not included, so I cannot prove that it works

app/controllers/api/base_controller.rb

@@ -0,0 +1,3 @@
+class Api::BaseController < ActionController::Base
+  protect_from_forgery
+end

app/controllers/api/v1/conferences_controller.rb

@@ -0,0 +1,7 @@
+class Api::V1::ConferencesController < Api::BaseController
+  respond_to :json
+
+  def index
+    respond_with Conference.all
+  end
+end

app/serializers/conference_serializer.rb

@@ -0,0 +1,23 @@
+class ConferenceSerializer < ActiveModel::Serializer
+  attributes :guid, :name, :description, :year, :socialtag, :date_range#, :url, :revision
+
+  def name
+    object.short_title
+  end
+
+  def description
+    object.title
+  end
+
+  def year
+    object.start_date.try(:year)
+  end
+
+  def socialtag
+    object.social_tag
+  end
+
+  def date_range
+    object.date_range_string
+  end
+end