DDF-705 - Converting Configuration Module to System Module.

Converting the Configuration Module to System. As there are changes planned for the modules down the road, the only change is visually for now.
Added the same 'plugin' framework that applications have to modules. Added System Info and Configuration page to the system module.
System Info has some information about the system.
Configuration is what was previously shown by the Configuration module.
It allows a much faster creation of any new tabs for any other modules that come down the road. System did not need it, true, but the framework is now ready to easily create new tabs for other modules down the road, speeding up the development process for these. These changes here apply further out than just to System. 

We wanted the module to look / behave just like what we had for the applications, so instead of creating these all statically which would take roughly the same or more time to create, I elected to adapt the framework we previously made to apply here as well.

So all in all, we piggy back off code we previously have, and gain the added feature that new plugins could be added to the modules down the road with great ease.