Update NetHook2 and VS solution files to VS2013
Merge remote-tracking branch 'origin/master'
Use Encoding.UTF8 everywhere
Update TF2 protobufs [ci skip]
Regen TF2 protobufs.
VZip support. Included LZMA SDK.
Don't expose SevenZip internals to our own consumers
Update CS:GO protobufs [ci skip]
Update Dota 2 protobufs [ci skip]
Update steamclient protobufs [ci skip]
Update TF2 protobufs [ci skip]
Regen protobufs
Update steamclient (beta) protobufs [ci skip]
Regen protobufs