Revert the session timeout from one munite back to two minutes (120 seconds)

Author: mikebrady

scripts/shairport-sync.conf

@@ -110,7 +110,7 @@ sessioncontrol =
 //	wait_for_completion = "no"; // set to "yes" to get Shairport Sync to wait until the "run_this..." applications have terminated before continuing
 
 //	allow_session_interruption = "no"; // set to "yes" to allow another device to interrupt Shairport Sync while it's playing from an existing audio source
-//	session_timeout = 60; // wait for this number of seconds after a source disappears before terminating the session and becoming available again.
+//	session_timeout = 120; // wait for this number of seconds after a source disappears before terminating the session and becoming available again.
 };
 
 // Back End Settings