Fix for bad cherry-picking
Removal of UserDAO from UserManager
Major rewiring of the authentication controller
+ Deletion of unused login servlet
+ Connection of the auth filter
+ A few changes to prior changes in the integration tests
+ Debugging of Portal's security exception
+ Prevent the migration admin from deleting itself during migration
+ Small admin client test
Fixing errors introduced by the migration case
+ Fix for odd rebasing
+ Remove some now defunct portal user code