fixed no-email edit in profile

fabfile.py

@@ -122,7 +122,7 @@ def deploy(appname=None, all=False):
             
     if all=='all' or not backup:
         local('zip -r _update.zip * -x *~ -x .* -x \#* -x *.bak -x *.bak2')
-    else:        
+    else:
         local('zip -r _update.zip */*.py */*/*.py views/*.html views/*/*.html static/*')
 
     put('_update.zip','/tmp/_update.zip')

gluon/authapi.py

@@ -443,7 +443,9 @@ class AuthAPI(object):
         # log messages should not be translated
         if type(description).__name__ == 'lazyT':
             description = description.m
-        self.table_event().insert(description=str(description % vars), origin=origin, user_id=user_id)
+        if self.table_user()[user_id]:
+            self.table_event().insert(
+                description=str(description % vars), origin=origin, user_id=user_id)
 
     def id_group(self, role):
         """

gluon/tools.py

@@ -3762,6 +3762,7 @@ class Auth(AuthAPI):
                      client_side=self.settings.client_side)
         passfield = self.settings.password_field
         table_user[passfield].writable = False
+        table_user['email'].writable = False
         request = current.request
         session = current.session
         if next is DEFAULT:
@@ -3772,6 +3773,7 @@ class Auth(AuthAPI):
             onaccept = self.settings.profile_onaccept
         if log is DEFAULT:
             log = self.messages['profile_log']
+        
         form = SQLFORM(
             table_user,
             self.user.id,