Support for branch added
Support for branch added

Added the support to opt in to different branches like iwillbackupmysave. Change in install_serverfiles.sh is also needed to reflect this!
zunnu/linuxgsm,Maxximou5/linuxgameservers,zunnu/linuxgsm,dgibbs64/linuxgsm,Maxximou5/linuxgameservers,dgibbs64/linuxgsm,GameServerManagers/LinuxGSM,GameServerManagers/LinuxGSM