Added compatibility for OSX older than 10.6. If it is older than 10.6 and the user tries to use -headless we throw an error and quite. If it is older and the user is not trying to go headless, it should just work as always.
Added compatibility for OSX older than 10.6. If it is older than 10.6 and the user tries to use -headless we throw an error and quite. If it is older and the user is not trying to go headless, it should just work as always.

bencoman/pharo-vm,ronsaldo/pharo-vm-lowcode,ronsaldo/pharo-raspberry,bencoman/pharo-vm,ronsaldo/pharo-raspberry,bencoman/pharo-vm,takano32/pharo-vm,takano32/pharo-vm,peteruhnak/pharo-vm,theseion/pharo-vm,theseion/pharo-vm,philippeback/pharo-vm,theseion/pharo-vm,peteruhnak/pharo-vm,ronsaldo/pharo-vm-lowcode,peteruhnak/pharo-vm,philippeback/pharo-vm,bencoman/pharo-vm,theseion/pharo-vm,ronsaldo/pharo-vm-lowcode,takano32/pharo-vm,bencoman/pharo-vm,peteruhnak/pharo-vm,theseion/pharo-vm,takano32/pharo-vm,ronsaldo/pharo-raspberry,ronsaldo/pharo-vm-lowcode,ronsaldo/pharo-vm-lowcode,bencoman/pharo-vm,philippeback/pharo-vm,ronsaldo/pharo-raspberry,takano32/pharo-vm,ronsaldo/pharo-vm-lowcode,peteruhnak/pharo-vm,takano32/pharo-vm,philippeback/pharo-vm,theseion/pharo-vm,ronsaldo/pharo-vm-lowcode,theseion/pharo-vm,philippeback/pharo-vm,philippeback/pharo-vm,ronsaldo/pharo-vm-lowcode,theseion/pharo-vm,ronsaldo/pharo-raspberry,takano32/pharo-vm,ronsaldo/pharo-raspberry,bencoman/pharo-vm,philippeback/pharo-vm,takano32/pharo-vm,bencoman/pharo-vm,ronsaldo/pharo-raspberry,bencoman/pharo-vm,philippeback/pharo-vm,ronsaldo/pharo-raspberry,theseion/pharo-vm,peteruhnak/pharo-vm,ronsaldo/pharo-vm-lowcode,peteruhnak/pharo-vm,peteruhnak/pharo-vm