Minor cosmetic changes

Fixed delete WiSP user to delete group associations

More error checking

Failing to insert user, needs fixing

* Changed attribute name SMRadius-Capping-Time-Limit to SMRadius-Capping-UpTime-Limit, this makes way for another feature to be added soon

* Changed user. macros to userdb. in hard coded defaults

* Make userdb macros entirely dynamic

* Use  request.  and not  authentication. as macros

Insert into wisp_userdata location

* Fixed incorrect configuration, we need to load the config module for system, not the userdb module

Added locations table and location ID foreign key to wisp_userdata