MANTA-2936: lock mako's node-manta dep to <3.x where 0.8 support will be dropped (fix build)
MANTA-2936: lock mako's node-manta dep to <3.x where 0.8 support will be dropped (fix build)

joyent/manta-mako,joyent/manta-mako,joyent/manta-mako