Integrate the splash page into the general layout

* Cleanup the CSS
* Fix more views then you have fingers and toes
* Introduce position(weight) for sponsor levels
* Fix bootstrap/datatable integration

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20141109172204) do
+ActiveRecord::Schema.define(version: 20141113134103) do
 
   create_table "ahoy_events", force: true do |t|
     t.uuid     "visit_id"
@@ -423,6 +423,7 @@ ActiveRecord::Schema.define(version: 20141109172204) do
     t.integer  "conference_id"
     t.datetime "created_at"
     t.datetime "updated_at"
+    t.integer  "position"
   end
 
   create_table "subscriptions", force: true do |t|