Add a command that lets you advance the queue of the mission rotation setup via server.cfg.

advanceInMissionrotationBy x; int x;

right now mission rotations are the only way to start missions with a predefined set of Parameters via 'Class Params', also kown as multiple mission parameters configuration, without admin interaction.

currently the only way to simulate "advanceInMissionRotationBy 9;" would be to do 9 times the following:
'endMission "END1";' -> load new mission -> load into the mission

The new command "advanceInMissionRotationBy" would ease this tedious task. Additionally it would make it possible for Scriptwriters to load a random Map when a mission Ends that has already been pre-configured via the multiple mission parameters configuration method.