update carton
no need to vendor ecukes and espuds

carton exec is enough to make sure they're available
rm cruft from PATH (more to come)
here we go again

rm most of emacs.d and some of the simpler emacs packages.

of course i'll just grab a bunch of it back from git history, but it's
always so much easier to start with a blanker slate.
zephyros: mash-[RN], mini_mash+[hjkl] for focus
rebuild emacs.d
Merge branch 'reboot'