I tried to set up the masternode but the command doesn't exist in my wallet, I am running a Mac...
Looks like dev didn't build the new wallet for OS X yet...
Edit: I compiled it for you:
https://mega.co.nz/#!AYB1wKqS!eZxX_m-4GSRSUd59Z-JKI6YZE9Y0wMVeg1IgO3NMZYM
Watch out that they don't alter the link when quoting my posts!!