paf31/purescript — pull request #146 by puffnfresh (2014-01-29 15:06:08+00:00)
Title: Lookup node executable

I wasn't able to execute tests because node.js was installed as "node"
and tests/Main.hs was forking out to "nodejs" - no errors were
reported. This now searched for the path using alternative names and
reports an error when not found.