Replace usages of GetClientAuthString with GetClientAuthId
Allow BindIdentity and FindAdminByIdentity to take more SteamID formats for steam auth type
Move Steam2/3 id rendering logic to CPlayer
Cache Steam ID and rendered forms when caching networkID
Make SteamID targetting explicit to Steam IDs...
rather than NetworkIDs which could be any form and similar to names.
Also make explicit support for both Steam2 and Steam3 formats
Add support for auto-converting '_' to ':' with Steam3 Id targetting
Make admins_simple.ini bind Steam3 ids as steam auth
Merge pull request #153 from alliedmodders/auth-fixups

More auth fixups for Steam auth (bug 6243, r=asherkin).