v0.0.6: Require node 4.3
v0.0.6: Require node 4.3

Change-Id: Ie1601cb8e243f8584e51ca03847710e295df3b1d

wikimedia/maps-tilerator,wikimedia/maps-tilerator,wikimedia/maps-tilerator,kartotherian/tilerator,kartotherian/tilerator,kartotherian/tilerator