[tlu] beta for Yosemite

[Adam R. Maxwell]

I think I have a workaround for Apple's breakage on
Yosemite. Short version is that setenv/getenv are
disconnected from the UNIX environ/_NSGetEnviron
pointers.

The latest release here should have a workaround.

https://github.com/amaxwell/tlutility/releases

Direct link:

https://github.com/amaxwell/tlutility/releases/download/1.18b13/TeX.Live.Utility.app-1.18b13.tar.gz

Any testing would be greatly appreciated!

thanks,
Adam