Merge pull request #267 from rrthomas/cli-improvements

Fixes for executable path changes
Better error message for gonzales parsing error
Fix a couple of typos
Merge pull request #274 from rrthomas/master

Fix a couple of typos
Merge pull request #272 from graphicore/better-gonzales-error-message

Better error message for gonzales parsing error
Remove useless pathExists calls

Some were before mkDir, which now complains if the directory already
exists; one was before writeFile, which will return an error anyway.

The remaining uses of pathExists do not directly precede I/O operations.
Bug #149 in js-yaml closed wontfix, so treat it as a feature
Merge pull request #276 from rrthomas/ioobject

Remove useless pathExists calls
Merge pull request #277 from rrthomas/ioobject

Bug #149 in js-yaml closed wontfix, so treat it as a feature
Extract REST fs service from red-pill into a module
Merge pull request #278 from rrthomas/rest-fs

Extract REST fs service from red-pill into a module
Update ufoJS
Merge pull request #279 from rrthomas/master

Update ufoJS