This updates cmake from 3.6.1 to 3.7.2. The 3.7.2 release is a
bugfix/general maintenance release.

Tested as working on Samsung XE50013-K01US (x86_64).

99% tests passed, 3 tests failed out of 420
https://gist.github.com/cstrouse/5e304accfecfc53efc2ef78649ede2bb