Squashed '_emacs.d/' changes from d17f338..2800b3e

2800b3e Add a package: slamhound

git-subtree-dir: _emacs.d
git-subtree-split: 2800b3edcd5262f271c9f578869cb66942916a0f
Merge commit 'd98bc5e193706b2d5542d647c117568747224ca8'
Add GOPATH