Bump to LESS 1.4.0.

Closes gh-51.
version bump
fix failing test
Expose ieCompat option present in LESS 1.4.0

For more information
https://github.com/cloudhead/less.js/pull/1190

Closes gh-53.
version bump
Expose `syncImport` option in task

This option forces node/less.js to read files synchronously from disk (using `readFileSync`). Reading files async on Windows is rather dodgy and we're having huge problems right now when not using this option.

Closes gh-62.
version bump
Fix CRLF
Add report option for minification and gzip results. Closes GH-61.
Update copyright to 2013
Bump v0.6.3
Added relativeUrls as a valid option
Added option to Readme
Added relativeUrls doc to correct location