Fix GetCDNAuthToken after Steam change

[oureveryday]

Move the GetCDNAuthToken from SteamApps to SteamContent

[xPaw]

Result code still needs to be checked/available

[oureveryday]

I didn't see result code in CContentServerDirectory_GetCDNAuthToken_Response

[xPaw]

Service response itself should have a result. You should try testing it on invalid hostname / depotid, I would expect that to give a bad eresult.

[oureveryday]

Service response itself should have a result. You should try testing it on invalid hostname / depotid, I would expect that to give a bad eresult.

If a invalid hostname / depotid passed, it will return null result.

[xPaw]

it will return null result.

Yeah but what's the message.Result?

Also remove the callback emsg handler

[oureveryday]

Fixed that.

[xPaw]

xmldoc in cdn client needs updating, see the failing build