Converted callback return data from asynchronous functions to (err, result) in preparation for use of async library.
More refactoring to move to a more object-oriented approach.
Add async library.
Show destination name in directions listing.
Merge branch 'master' of https://github.com/gears88/YRS2013

Conflicts:
	index.html
	js/main.js
Merge branch 'master' of https://github.com/gears88/YRS2013