Fixed deleting large NFS directories on FreeBSD (#67).

Added support for a bfs-specific BFS_COLORS environment variable.

Refactored the build system, directory structure, and documentation (#88, #89, #91). Thanks @ElectronicsArchiver!

Added zsh completion (#86). Thanks @VorpalBlade!

Updated the default color scheme to match GNU coreutils 9.1. Files with capabilities set are no longer colored differently by default, resulting in a significant performance improvement.

Became less aggressive at triggering automounts

Added support for out-of-tree builds with BUILDDIR