Rename engine.start() to startGame(), new start() takes string arguments
handed directly to main(). Rename Engine.loadEngine() to load().
Add setLocale(), setResizeCanvasOnStart(), setExecutableName() and
preloadFile().
- Implement promise-based JS interface for custom HTML page
integration
- Add download progress callback
- Add progress bar and indeterminate spinner to default HTML page
- Try downloading files multiple times when failing
- Get rid of godotfs.js
- Separate steps for engine initialization, game initialization and game
start
- Allow multiple games on one HTML page
- Substitution placeholders only used in .html file
- Placeholders renamed: $GODOT_BASE => $GODOT_BASENAME,
$GODOT_TMEM -> $GODOT_TOTAL_MEMORY
- Emscripten Module is now Engine.RuntimeEnvironment (no longer a global)
