Updated the MacPorts Portfile for 3.0.
Updated the MacPorts Portfile for 3.0.

afh/ledger,ledger/ledger,jwakely/ledger,duncanmortimer/ledger,paulbdavis/ledger,paulbdavis/ledger,duncanmortimer/ledger,jwakely/ledger,paulbdavis/ledger,duncanmortimer/ledger,jwakely/ledger,ledger/ledger,paulbdavis/ledger,duncanmortimer/ledger,jwakely/ledger,jwakely/ledger,afh/ledger,paulbdavis/ledger,afh/ledger,jwakely/ledger,duncanmortimer/ledger,ledger/ledger,ledger/ledger,jwakely/ledger,duncanmortimer/ledger,paulbdavis/ledger,afh/ledger,afh/ledger,ledger/ledger,paulbdavis/ledger,duncanmortimer/ledger