Fix: Report correct listen URL to client.

The URL is constructed considering Protocol, TLS Mode, Host, and Port. This considers: - The Host:-header as provided by the client, - The effective listensocket of the client, - Global configuration. This works for: - Playlist generation, - Admin authed playlist generation, - Stats based XSLT. It also unifies code: - Default stats values. Not yet included: - YP requests.
1 job from ph3-listen-sockets in 44 seconds (queued for 2 minutes 20 seconds)
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passed #283
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00:44