Can delete doge comments on edit.
Update readme with notes.
Bump gems.

* actionmailer
* actionpack
* activemodel
* activerecord
* activesupport
* atomic
* factory_girl
* factory_girl_rails
* polyglot
* rails
* railties
* sprockets
* thread_safe
* rspec-rails
Filter out non-db attributes when saving doge comments.
Set current toppings when editing.

* Backfill tests.
Rename ice cream forms to order forms.