Updated the stream APIs to allow for stream access javascript object style as per the design. Updated tests to reflect this as well.
Merge pull request #7 from zettajs/stream-refactor

Updated the stream APIs to allow for stream access javascript object style as per the design.
Merge branch 'master' of github.com:zettajs/zetta-runtime into api-test

Conflicts:
	lib/machine_config.js
Stream links fixed on device