Fix #288 - fs.unlink should fail on directory nodes
Merge pull request #293 from gideonthomas/issue288

Fix #288 - fs.unlink should fail on directory nodes
Fix #294 - Failure to unlink directories should return an EPERM error
Merge pull request #295 from gideonthomas/issue294

Fix #294 - Failure to unlink directories should return an EPERM error
Merge branch 'develop' into gh-pages