aligning tree data source with fuel 3.0 data source standards
Merge branch '3.0.0-wip' of https://github.com/ExactTarget/fuelux into 3.0.0-wip
Merge branch '3.0.0-wip' of https://github.com/ExactTarget/fuelux into 3.0.0-wip

Conflicts:
	js/tree.js
Merge pull request #542 from dwaltz/3.0.0-wip

Update tree data source