Incorporate Paul Fox's changes that group the commands by functional groups.

Move the "generated code" warning comment below the .TH macro to work around some buggy
man(1) implementations.

Removed all the .RS/.RE indenting and replaced the use of .fc and tab indenting
with .TP macros.

Move the BUGS section below SEE ALSO to follow the usual section ordering convention.

Fixed up some italic vs. bold usage.

Use '.IR foo (section)' in the SEE ALSO section.

Removed some irrelevant text, along with a small amount of word-smithing.