added nodejs migration harness
Merge branch 'master' of https://github.com/physion/ovation-v3-migration
Adds trash_info support to base migration
Adds node build profile for cljs
Added node and node-dev profiles for build
At least it's loading in node
Compiling for node

We have a dummy main function (it gets called when the module is
loaded), and we’re using an explicit entity test rather than a
multi-method in convert.

Still need to debug conversion.