Introducing global var DoRE

DoRE - do Remote Execution returns true if there is another player is within 500 metres. Some of the Arma commands have local effect, meaning the changes on your screen will not be happening across network. For animations specifically you could be dancing on your screen while for everyone else you will be standing still. So those cases may require remote executing the same command on all machine for synchronisation.

DoRE updated every 2 seconds should tell you when you need remote execution. If true, then you do.