Fork xml.c because of filename issues in Windows.

Include mapping in build instead of having to download file manually.

Use new version.

Use game controller APIs instead of the joystick ones to be able to use
the gamepad button DB file.

Changes to character rigging. Also CMake now respects ini-config
structure (although in the future, the lib file should be used. Check
installation in CMake for macOS/*NIX).

Use appropriate syntax and names for config logic.

Remove minIni direct dependency.

Define separate package for config code.

Add edge case.

Sync to latest version fixing definitions on Windows.

Sync midi-utils to latest version.

Unify scripts for Windows.

Fix midi-utils bug

Separate MIDI utils into its own package.

Include subprojects so we can deprecate dependencies.txt