arcticfox: Update to 40.1

This is a minor release compared to 40.0, but contains several fixes:

    general stability fixes
    Fix some icons on MacOS 10.6
    Code fix which should improve MacOS occasional startup issues
    build system updates
    fixes in devtools and toolkit, having completed path migration
    JS improvements in memory management, ARM & MIPS support
    JS performance increase on multi-CPU systems
    Video fixes

(nia)