Update documentation generator to include new Draftsman.whodunnit_fie…

…ld setting [ci skip]

README.md

@@ -143,9 +143,9 @@ Add `has_drafts` to the models you want to have drafts on.
 Draftsman provides a helper extension that acts similarly to the controller
 mixin it provides for Rails applications.
 
-It will set `Draftsman.whodunnit` to whatever is returned by a method named
-`user_for_paper_trail`, which you can define inside your Sinatra Application.
-(By default, it attempts to invoke a method named `current_user`.)
+It will set `Draftsman::Draft#whodunnit` to whatever is returned by a method
+named `user_for_paper_trail`, which you can define inside your Sinatra
+application. (By default, it attempts to invoke a method named `current_user`.)
 
 If you're using the modular [`Sinatra::Base`][8] style of application, you will
 need to register the extension:

lib/generators/draftsman/templates/config/initializers/draftsman.rb

@@ -13,3 +13,6 @@
 
 # Field which records when a draft was created.
 # Draftsman.timestamp_field = :created_at
+
+# Field which records who last recorded the draft.
+# Draftsman.whodunnit_field = :whodunnit