Ticket 49026 - Support nunc-stans pkgconfig
    
    Bug Description:  Without pkgconfig we would have to provide a with path to
    the our tools incase nunc-stans was in a weird location. This avoids that issue
    
    Fix Description:  Add the support to use pkgconfig for nunc-stans.
    
    https://fedorahosted.org/389/ticket/49026
    
    Author: wibrown
    
    Review by: mreynolds (Thanks)