FIX - revert to 1.12.1

chore(release): 1.13.0 [skip ci]

# [1.13.0](v1.12.1...v1.13.0) (2019-04-25)

### Bug Fixes

* **ci:** rollback release version to match npm ([bf4f2ae](bf4f2ae))

### Features

* **ast:** migrate from ast fork to latest version of gonzales ([37863b7](37863b7))
* **lint:** adds disable-next-line ([b508036](b508036))

Merge pull request #1151 from sasstools/hotfix/use-gonzales-fork

hotfix update gonzales prepare 1.12.1 MASTER

Merge pull request #1123 from sasstools/v1-dev

v1.12.0

Merge pull request #1117 from bgriffith/release/1.11.1

Release/1.11.1

 Prepare 1.11.0

Merge pull request #948 from sasstools/release/1.10.2

Prepare 1.10.2

Merge pull request #938 from DanPurdy/release/1.10.1

Prepare 1.10.1

Merge pull request #933 from sasstools/release/1.10

Prepare 1.10

Merge pull request #844 from sasstools/release/1.9.1

Release/1.9.1