Add functions for whether we're running on a work machine, and whether
we're running on a "small" machine.
Remove functions that I've now put in hosts.el
Getting my emacs onto my new work machine.
remove stuff specific to old work machine
tidy up
create shell only if the directory for it exists
load host.el as a function we need has moved there
more static debugging, for finding why we're loading from a particular place
elaborate a little