Updated engine.

Fixed Windows package.

Replaced bounce.wav with BOUNCE_Z.SDF

Apparently, there was always correct sound in game assets but IceReaper's RetroGDX asset viewer didn't list that sound. But ORA's asset browser did that. So it's now corrected.

Nerfed easy/hard difficulty from 50% to 25%.

Merge pull request #230 from Mailaender/parse-release

Made release parsing more robust

Fix Usual Brawl map tiles

Revert "Infinite actor production will start at first click."

This reverts commit e3c0945.

Disabled pre-release notification

Updated mod.config

Fixed lua crash in mission 2