Obfuscate tokens in events (closes #3165)
Obfuscate tokens in events (closes #3165)

roflkins/IdentityServer3,IdentityServer/IdentityServer3,johnkors/Thinktecture.IdentityServer.v3,johnkors/Thinktecture.IdentityServer.v3,roflkins/IdentityServer3,IdentityServer/IdentityServer3,johnkors/Thinktecture.IdentityServer.v3,IdentityServer/IdentityServer3,roflkins/IdentityServer3