sv_downloadsites is used instead of the sv_website variable: now you can specify a list of URLs, use them to search for wads and load them into the browser (using the 'W' key)
Missing wads can be searched using the client
Removed setting to download wad from server (removed in 09)
Replacing the Odamex master server address master2.odamex.net -> voxelsoft.com
Added calculation of wads md5 in the Options-Wads-WadList