Timestamp in UTC, abstract storage

burden_web/spec/dummy/db/migrate/20130607082646_create_burden_runs.rb

@@ -4,7 +4,7 @@ class CreateBurdenRuns < ActiveRecord::Migration
       t.string :name
       t.boolean :success
       t.float :execution_time
-      t.timestamps
+      t.datetime :timestamp
     end
   end
 

burden_web/spec/dummy/db/schema.rb

@@ -11,14 +11,13 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20130607070108) do
+ActiveRecord::Schema.define(:version => 20130607082646) do
 
   create_table "burden_runs", :force => true do |t|
     t.string   "name"
     t.boolean  "success"
     t.float    "execution_time"
-    t.datetime "created_at",     :null => false
-    t.datetime "updated_at",     :null => false
+    t.datetime "timestamp"
   end
 
 end