Merge PR RandomNinjaAtk#403: Fix llvmlite build failure in Lidarr extended setup

Changes already incorporated in prior commits:
- g++, llvm-dev, libffi-dev build deps
- beets split install to avoid llvmlite/numba dependency
- GNU Parallel will-cite silence
- https for Alpine CDN URLs

Source: RandomNinjaAtk#403

Author: rairulyle