WIP update grunt scripts
Get qunit from jQuery CDN.
PubSub.unsub('event') to remove all methods subscribed to the event.
Added test-case for PubSub.unsub() non-subscribed method.
this grunt thing is depressing me
Updated grunt script, keeping qunit out of automation for now since phantomjs fails when installing dev dependencies. Updated JS for JSLint compliance.
Merge pull request #11 from danburzo/dev

Updated Grunt script, patched a couple of PubSub bugs