CC-3224: "On-the-fly" stream rebroadcasting

- web interface
- auth script for liquidsoap
- DB changes

airtime_mvc/build/sql/schema.sql

@@ -178,6 +178,11 @@ CREATE TABLE "cc_show"
 	"description" VARCHAR(512),
 	"color" VARCHAR(6),
 	"background_color" VARCHAR(6),
+	"allow_live_stream" BOOLEAN,
+	"live_stream_using_airtime_auth" BOOLEAN,
+	"live_stream_using_custom_auth" BOOLEAN,
+	"live_stream_user" VARCHAR(255),
+	"live_stream_pass" VARCHAR(255),
 	PRIMARY KEY ("id")
 );