Support OS X

* Fixes 32/64-bit mismatch
* Adds necessary libraries/frameworks
* `npm test` now works
Add braces
Merge pull request #98 from markandrus/develop

Support OS X
linted files, remains some calls in lib/mediastream.js to runImmediately() method that should be refatored
Merge branch 'develop' of github.com:wouldgo/node-webrtc into develop