Move state for select logic into State

lib/aasm.rb

@@ -56,7 +56,7 @@ module AASM
     end
     
     def aasm_states_for_select
-      aasm_states.collect { |state| [state.name.to_s.gsub(/_/, ' ').capitalize, state.name.to_s] }
+      aasm_states.map { |state| state.for_select }
     end
     
   end

lib/state.rb

@@ -24,6 +24,10 @@ module AASM
           action.call(record)
         end
       end
+
+      def for_select
+        [name.to_s.gsub(/_/, ' ').capitalize, name.to_s]
+      end
     end
   end
 end