o Implement the 2.0.5->2.1 upgrade procedure (gah).
o Bring in Coranth's support for configuration of anon ftp and Samba
plus some changes of my own.
o More attempts to actually write the documentation in english.
o Update docs to contain more 2.1-centric information.
Merge today's work.
Now support an attributes file loaded at startup (true front-loaded install).
Add fuller debugging support to all device I/O routines.
Lots-o-bug fixes.
