ajaxorg/ace — pull request #2077 by nightwing (2014-08-01 21:01:05+00:00)
Title: update csslint

Fixes https://github.com/ajaxorg/ace/issues/2072
Last released version of [cssLint](https://github.com/CSSLint/csslint) doesn't support `flex` properties,
This updates to the version from master