chore(release): 0.50.0 [skip ci]

# [0.50.0](https://github.com/saltstack-formulas/mysql-formula/compare/v0.49.0...v0.50.0) (2019-07-12)

### Features

* **semantic-release:** implement for this formula ([1d2e2f59](https://github.com/saltstack-formulas/mysql-formula/commit/1d2e2f5))