Updated third party libs and tests

3.1.0

3.0.0

2.3.2

Allow the buggy [email protected] to be used

Merge pull request dlmanning#468 from xzyfer/feat/node-sass/3.5.0

Update to [email protected] stable

Merge pull request dlmanning#437 from xzyfer/feat/node-sass-beta

Prepare 2.3.0-beta.1 with [email protected]

2.2.0

2.1.1

Merge pull request dlmanning#375 from xzyfer/release/3.1.0

2.1.0