Squashed 'halite/lattice/' changes from 9a340dc..a2a7076

a2a7076 Update README.md
3570bc1 Update Readme
7aa705e Merge pull request #2 from saltstack/maps_add
c406a1f Add artifacts to prevent 404
4b9fee2 Create README.md

git-subtree-dir: halite/lattice
git-subtree-split: a2a7076980d3eb2788d0bebb002aca4e3148707a
Merge commit '46287398bb2a3068d0fef7d1042ed74717da8b16' into update_lattice
Merge pull request #150 from pass-by-value/update_lattice

Update lattice