update version in SDK

Bump version to 2.3.2

fix build under old macos

fix build under old macos

Merge pull request elfmz#1018 from elfmz/custom-settings

Custom settings by -u argument now working

cmake: set patch version component to git revision

alpha 17 september 2020

NetRocks: added option <Smart symlinks copying> that is ON by default…

… and that allows disabling too smart behaviour when copying symbolic links (close elfmz#705)