Bundle mission speech with an admin mute option and fix live audio downloads

tests/test_welcome_identity.py

@@ -24,7 +24,7 @@ struct ERR_GameMode {bool active=true,pending=false;std::string url="clip";Roste
  bool Active(){return active;}bool ERR_WelcomePending(){return pending;}std::string ERR_WelcomeVoiceURL(){return url;}Roster* Players(){return &roster;}};
 ERR_GameMode* ERR_GameMode::current;
 namespace Replication {bool server=true;bool IsServer(){return server;}}
-struct ERR_WelcomeVoiceRules {static bool URL(std::string s){return !s.empty();}};
+struct ERR_WelcomeVoiceRules {static bool Source(std::string s){return !s.empty();}};
 struct Game {Controller* owner=nullptr;Controller* canonical=nullptr;float now=1000;Ledger ledger;Controller* GetPlayerController(){return owner;}
  Game* GetWorld(){return this;}Game* GetPlayerManager(){return this;}float GetWorldTime(){return now;}Controller* GetPlayerController(int){return canonical;}
  bool ERR_ClaimWelcomeIdentity(UUID id){return ledger.Claim(id);}} game;