DDB scripting, output capture, and textdumps

[Maxim Sobolev]

Robert Watson wrote:
>     buffer, kernel message buffer, kernel configuration (if compiled into
>     the kernel), panic message, and kernel version string.  These are


Just a sidenote - maybe as part of this change it makes sense to make 
compiling configuration into a kernel opt-out, not opt-in? We are in 
21st century, nobody really cares about saving few kilobytes of kernel 
memory anymore.

-Maxim