Merge pull request #28 from ihalip/master

some file managers don't sort the file list correctly (1, 10, 100 etc), so add padding 0s
Update CS:GO, Dota 2, steamclient, TF2 protobufs
Update Dota 2, Dota 2 Test protobufs [ci skip]
Update CS:GO, Dota 2, Steam Client (beta) protobufs [ci skip]