Also added better support to webserver plugin to load statistics
pages if statistics is plugin is loaded.

* Support for interface groups
* Support for class CIR/Limit per interface
* Match priority support
* Totally dynamic TC class support per interface
* Totally dynamic TC filter support per interface per match priority
* Interface statistics support

A mouse-over now pops up per user when moving the mouse
over them. Migrated the code to use the config helpers
so we don't meddle with $limits ourselves.

* Added support for a better startup process
* Shifted some code to Start functions
* Added foundation support for priorities for each user
* Added preliminary code for the default user pool

* Added nice signal handling framework
* Support for users having an Expiry period