Remove `cb` argument from `checkSync`
Merge pull request #3 from isaacs/master

graceful-fs@2
Merge pull request #4 from KenanY/remove-sync-cb

Remove `cb` argument from `checkSync`
Release 1.2.2
Replace binary data file with a copy of index.js

The old binary file is a copyrighted, non-free pdf.
Update test expectancies to match the new data file.
Merge pull request #5 from kapouer/master

Fix copyright issue with test/data binary file
Release 1.2.3
allow graceful-fs@3