Merge branch 'sandbox'
Fixed put didn't work.

Because DropboxClient.put conflicted with a convenience methods, it didn't work. I renamed the convenience methods.
Removed documents about Stream-based downloading because it's no longer available.
Allowed to specify the root.
Fixed put didn't work.

Because DropboxClient.put conflicted with a convenience methods, it didn't work. I renamed the convenience methods.
Merge branch 'master' of github.com:snakamura/dropbox-node
Merge remote-tracking branch 'upstream/master'

Conflicts:
	lib/dropbox-node.js
Added DropboxClient#shares and media.
Merge pull request #33 from snakamura/share

Added supports of /shares and /media