Build dedicated server script and use SteamGameServerHTTP when defined

[Myknakryu]

Related Issue

None - ValveSoftware#715

Implementation

Dedicated server build script with access to inventory servers through SteamGameServerHTTP

Screenshots

Checklist

• No other PRs implement this idea.
• This PR does not introduce any regressions.
• I certify that this PR is my own entirely original work, or I have permission from and have attributed the relevant authors.
• I have agreed to and signed this project's Contributor License Agreement.
• This PR targets the tc2-mod branch.

• This change has been filed as an issue.
• No other PRs address this.
• This PR is as minimal as possible.
• This PR does not introduce any regressions.
• This PR has been built and locally tested on at least one platform.
• This PR has been tested on all platforms, on both a dedicated server and on a listen server.

Testing Checklist

	Client	Server	Version
Windows
Linux	V	V	6.13.4-arch1-1.1 raven-ridge-patch

Caveats

Linux only build script, script copies the .a files from lib catalogs which are removed after building dedicated server.
User has to provide libvstd_srv.so and libtier0_srv.so from tf2 dedicated server install.

Alternatives