Added "bRequireNameOnly" to the RequestSteamFriendInfo node, significantly reduces time to return
a result as the cost of not downloading the avatar for that user.
Added the following nodes
GetSteamPersonaName - To retrieve the name of a non friend
Make UniqueNetID from SteamID String - Makes a uniquenetid from a 64bit steam ID string
Former-commit-id: ec7b6b909584d0260225bd8a9e5477970483563a