Event syncs AI train by modifying its waiting point for Open Rails

An optional Outcome is added to events, which modifies the expiration time of an AI train waiting point, therefore allowing to sync its motion with the motion of the player train.

Activity randomization for Open Rails

Various timing and functionality aspects of activities may be randomized, at a user selectable level of randomization. Discussion: http://www.elvastower.com/forums/index.php?/topic/30919-activity-randomizing/ Roadmap: https://trello.com/c/zvnEWlzf/338-activity-randomization

Specific sounds for AI trains for Open Rails

A new sound trigger, that is triggered by AI trains only, allows AI trains to implement whistle blow when passing near the player’s camera or when restarting after a stop. Also further uses are possible. Discussion: http://www.elvastower.com/forums/index.php?/topic/29878-specific-sound-for-ai-trains/ Roadmap: https...