remove empty dir
Moved files around
Added some Grunt config
Rearrange all the files.  Add grunt support.  Switch from ejs to nunjucks.
clear doctestjs to update it
Squashed 'towtruck/tests/doctestjs/' content from commit f9d3fc0

git-subtree-dir: towtruck/tests/doctestjs
git-subtree-split: f9d3fc0a9759ba291e2695ae92f56e3c13e42a58
Merge commit '41cc7056818e0651fdafbb652c99a3040ac68e6c' as 'towtruck/tests/doctestjs'
Fix up tests links, and change storage tests to match new semantics