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

Gemfile

@@ -111,6 +111,9 @@ gem 'daemons'
 # to encapsulate money in objects
 gem 'money-rails'
 
+# for lists
+gem 'acts_as_list'
+
 # Use guard and spring for testing in development
 group :development do
   # rspec Guard rules