added support to disable a user account
updated so that level 10 access has limited read access
added support for new user account creation and taskgroup email list gen
fixed bug where empty user name is processed
added support for new user account creation
added link for task group list creation
moved scoring recalculation function to data model module.

This change is not yet tested, but isn called from anywhere just yet. so
it's safe to commit it for now and it will be fully tested when the rest
of the work is done.