Update CS:GO on 11.21.17

November 21, 2017 there was another update cs go. The size of the update is 21.1 MB. So, what was included in update cs 11.21.2017?

[MISC]
— Updated to latest version of SteamNetworkingSockets library to better support relayed connections.
— Fixed a regression where Aztec and Dust particle systems were failing to load in other maps.
— Updated Skill Group icons.

[SDK]
— Removed an unintentional dependency on Dynamic C Runtime in vvis map compiler, which should fix map compilation problems in some recent installations.
— Added de_dust2_zoo map source file for community map makers.