Fix image unmounting & tooling to work under gentoo and MacOS

See merge request redox-os/redoxfs!58

This fixes unmounting with gentoo. This function will be use by the installer to
unmount the image after the build.

Migrate from fuse to fuser

See merge request redox-os/redoxfs!57

Fix bug where root could not remove other users' files

Closes redox#1366

See merge request redox-os/redoxfs!56

These will only exist in the middle of rename

RedoxFS 0.5.0

See merge request redox-os/redoxfs!54

Jeremy Soller authored 3 years ago and Jeremy Soller committed 3 years ago

Significant re-design to use copy-on-write and hashes for all data