backup your original pak01_dir.vpk from csgo folder
Place VPKPatcher.exe to csgo folder
Drag and drop your pak01_dir.vpk to VPKPatcher
Them you see text : "Happy Skinning" copy materials folder to your csgo folder and replace all
enjoy!
ps. Only for servers where "svpure 0" (for a 10 minets i found 10-13 servers ) If you try to connect valve official you see error cuz your new pak01dir.vpk have other md5 sum.
It's not wh materials only colored !.
If you want play again on "valve" servers just get back your original pak01_dir.vpk :)))
Update info
If valve create new update for CS:GO delete pak01_dir.vpk.backup restore original pak01_dir.vpk Get new update Do like in "README.TXT" Enjoy
) If you try to connect valve official you see error cuz your new pak01dir.vpk have other md5 sum. 
