diff -r 18dc0362f550 -r c11afa8623f7 reg/models.py
--- a/reg/models.py	Thu Apr 08 16:35:46 2010 +0530
+++ b/reg/models.py	Thu Apr 08 22:28:15 2010 +0530
@@ -13,6 +13,8 @@
     """ A model to hold extra information about the user.
     """
 
+    key = models.CharField(max_length=10, unique=True)
+
     user = models.ForeignKey(User, unique=True)
     gender = models.CharField(max_length=1, choices=GENDER_CHOICES)
     profession = models.CharField(max_length=1, choices=PROFESSION_CHOICES)
@@ -20,14 +22,18 @@
     interests = models.CharField(max_length=100, verbose_name="Fields of Interest", 
                                  help_text="Ex: Python, Image Processing, Bio Informatics etc.")
 
+    activation_key = models.CharField(max_length=30, unique=True)
+
 class Event(models.Model):
     """ A model for the workshop information.
     """
 
+    key = models.CharField(max_length=10, unique=True)
+
     title = models.CharField(max_length=100)
     description = models.TextField()
     start_date = models.DateField()
-    end_date = models.DateField()
+    stop_date = models.DateField()
     attendees = models.ManyToManyField(User, related_name="%(class)s_attendees")
     organizers = models.ManyToManyField(User, related_name="%(class)s_organizers")