三位一体 V1.05零售版官方升级档

* tweaks the last level, now much easier on Easy/Medium/Hard
* adds save support for selec-ted controller type
* adds failsafes for Steam Cloud (savegames are now always saved locally too)
* adds log support for PhysX errors
* adds several small technical optimizations
* fixes audio that was not stopped when skipping the end cinematic
* fixes thin horizontal bar visible during videos on some resolutions
* fixes break effect for objects in the last level
* fixes two broken checkpoints in levels (4th in Shadowthorn Thicket and 10th in Iron Forge)
* fixes some wall collisions in Iron Forge
* fixes camera bug when restarting level during a cutscene
* fixes bug regarding levers
* fixes bug where enemy item drops are considered secrets
* fixes Credits section names