Engine: forward-compatible fix for gui in savedgames

When game's gui version is lower than earliest forward-compatible version - save forward-compatible version number, not latest version number.
This allows earlier interpreters to read savedgames made by later engine builds.
AGS.Native: long due fix to loaded game file version value
Manual: updated for 3.3.0 release
Editor: added new tagline
WinSetup: moved number of options to "Advanced" section
WinSetup: removed "Replay" option (it's a broken feature)
Updated build version (3.3.0.1154)
Editor: remove "beta version" tag
Add exception string to fatal error message so that developers would have more information

when investigating bugs.
WinSetup: don't reposition the window beyond screen border
Engine: fixed NO_MP3_PLAYER build compilation