Fix reference to particlemap.js
Squashed 'particlemap/' changes from c2d64eb..fdb8a1f

fdb8a1f Add build crap

git-subtree-dir: particlemap
git-subtree-split: fdb8a1f67131e304955b3d5d0aab1d32b110fe47
Merge commit '0a5d5038ff8b0a826cca1875c7e7ea72eb0f9cfd'