Graceful quit for source and goldsrc added
Graceful quit for source and goldsrc added

fn_stop will attempt to shutdown source and goldsource gracefully before
using tmux shutdown.

Sodierlow/linuxgsm,dgibbs64/linuxgsm,dgibbs64/linuxgsm,Maxximou5/linuxgameservers,Sodierlow/linuxgsm,GameServerManagers/LinuxGSM,GameServerManagers/LinuxGSM,zunnu/linuxgsm,Maxximou5/linuxgameservers,zunnu/linuxgsm