dmg

dmg is used at run time in 5 crates (of which 4 optionally). It is a direct run-time dependency in 3 crates.

Depender (with downloads and own rev deps)			dmg version
	3	uvm_core		^0.1.1
	1	uvm_install_core		^0.1.1
		dmg2nix		^0.1.2