Move ChefFSDataStore and config out to where they can be used by non-knife clients
Smooth out bad cookbook_path defaults from chef
Make knife serve work with new ChefFSDataStore location
Add useful description of local_fs repository for chef-zero to print
Add description of Chef server filesystem for chef-zero
Make file system description prettier
Fix knife raw (Chef = ::ChefFS exception)
Bump version to 1.2.1