Update gitignore to include OS X object files.
Refactor minigrace js output into minigrace.js.
Remove interactive and util modules from js.
Fix missing include of StandardPrelude in js.
Made MiniGrace object.
Decouple mode, define minigrace in minigrace.js.
Decouple modname.
Decoupled stderr.
Change stderr decoupling, decouple stdin, add stdin js support.