GREG-21: Allowing more values to be null in person

greg/models.py

@@ -34,10 +34,10 @@ class Person(BaseModel):
 
     first_name = models.CharField(max_length=256)
     last_name = models.CharField(max_length=256)
-    date_of_birth = models.DateField()
-    email = models.EmailField()
+    date_of_birth = models.DateField(null=True)
+    email = models.EmailField(blank=True)
     email_verified_date = models.DateField(null=True)
-    mobile_phone = models.CharField(max_length=15)
+    mobile_phone = models.CharField(max_length=15, blank=True)
     mobile_phone_verified_date = models.DateField(null=True)
     registration_completed_date = models.DateField(null=True)
     token = models.CharField(max_length=32, blank=True)