Open Rails 1.3

What's been added:
 - Steam locomotive vacuum brake ejector and general improvements to vacuum brake operation
 - Route-wide sounds when trains pass over switches
 - Route-wide sounds when trains pass over low radius curves
 - Save and resume in multiplayer
 - Signal script functions can be reused by multiple signal types
 - Car spawner option to support walking people
 - Cab radio sound triggers
 - Command-line tool to load all supported file formats
 - Activity randomization, including dynamic weather and mechanical problems
 - Persistent variables in signal scripts
 - Pooling of available trains in sidings for timetables
 - Explicit train speed setting in timetable editor
 - Visual steam and smoke effects for locomotives and wagons
 - Fuel gauge cab control for steam locomotives

What's been improved:
 - Content-creator option to keep trees off roads and tracks
 - Station and siding labels fade in as you approach
 - Multiple passenger viewpoints inside train cars
 - AI trains open and close doors at stations
 - Steam locomotive simulation and content-creator options
 - Content-creator per-model and per-instance level crossing sounds
 - Various new signal script functions
 - Explore route in activity mode
 - Better commands for manually changing weather
 - Load animation can be used on wagons and locomotives to vary physics properties
 - Option to load only day/night textures as needed, not both
 - Can define custom signal function types
 - Content-creator options for controlling signal light glow
 - Additional animations and mouse control for cab controls
 - Improved AI waiting point control in activities
 - User and content-creator options for sound attenuation in cab and passenger views
 - Content-creator timetable commands for stop positioning
 - Content-creator timetable options for random delays on various actions
 - Expose to users internal option to force all objects to cast shadows
 - Content-creator option for timetables to override default stopping time at stations
 - Better checks for when trains stop at stations
 - Simulation of wind resistance forces
 - Option to automatically discard abnormal values in locomotives

A full list of changes (https://launchpad.net/or/+milestone/1.3) is available.

Important notes:
 - Open Rails develops features and bug fixes in public at http://launchpad.net/or
 - Open Rails is distributed under the GNU GPL v3 free software license