user activation on creation/edit

app/models/person.rb

@@ -38,6 +38,18 @@ class Person < ActiveRecord::Base
     activation_state == "active"
   end
 
+  def active
+    activation_state == 'active'
+  end
+
+  def active=(bool)
+    if bool
+      self.activation_state = 'active'
+    else
+      self.ctivation_state = nil
+    end
+  end
+
   private
 
     ## SorceryCore expects the model to hold a crypted_password field