REACH-34: Remove MongoDB dependency.
Refactored workspace browser fetch method to be more natural.
Merge branch 'Reach' of https://github.com/pboyer/flood into Reach

Conflicts:
	app/scripts/models/App.js
	app/scripts/models/Workspace.js
Added a comment to clarify what the code does.
Merge pull request #8 from pbidenko/Reach

REACH-34: Remove MongoDB dependency.