chore(build): Initial stab at Grunt skeleton

A case study in how *not* to do pull requests...

But we should now have a shared precommit-hook which runs lint tasks whenever you try and commit some code.
JSHint and JSCS rules are up for negotiation.

FIxes #31
Fixes #17 
FIxes #13 
Fixes #12 
Fixes #11 
oh, and npm-shrinkwrap.json? maybe json in top-level dir generally?