Make the original FOSUserBundle commands work

                    
|Q            |A   |
|---          |--- |
|Bug Fix?     |no   |
|New Feature? |yes   |
|BC Breaks?   |no   |
|Deprecations?|no   |
|Tests Pass?  | not yet   |
|Fixed Tickets| GH-2 |
|License      | MIT |
                    

This adds support for working with the original FOSUserBundle commands.
This overwrites the existing commands and adds the 'user-system' parameter as requirement.