Update dmg-license.py script to the latest version
Update dmg-license.py script to the latest version

Using the --eula options fails on OS X Mavericks because the FlatCarbon
headers (SDK 10.7) are not present. The latest version of the script
does not require them anymore.

The latest version is taken from here:
https://bitbucket.org/jaredhobbs/pyhacker/raw/3228508e4dfc9c2f8fe22a6efaf6d75b72c445e5/licenseDMG.py
andreyvit/create-dmg,andrey-str/create-dmg,andreyvit/create-dmg,andrey-str/create-dmg,heavilessrose/create-dmg,mrpau/create-dmg,strukturag/create-dmg,strukturag/create-dmg,heavilessrose/create-dmg,heavilessrose/create-dmg,digitalreasoning/create-dmg,strukturag/create-dmg,digitalreasoning/create-dmg,andreyvit/create-dmg,digitalreasoning/create-dmg,mrpau/create-dmg,mrpau/create-dmg,andrey-str/create-dmg