chore(release): 1.0.0 [skip ci]

# [1.0.0](https://github.com/saltstack-formulas/salt-formula/compare/v0.59.9...v1.0.0) (2019-12-16)

### Continuous Integration

* **gemfile:** restrict `train` gem version until upstream fix [skip ci] ([fdc60aed](https://github.com/saltstack-formulas/salt-formula/commit/fdc60aed86c4b5d016aff0745584d89f614208fc))

### Features

* **per-formula-opts:** configure git.latest state per formula ([82c840d6](https://github.com/saltstack-formulas/salt-formula/commit/82c840d6f96f69223c0df4b8463a072613a9d2df))
* **per-formula-opts:** configure git.latest state per formula ([9362277f](https://github.com/saltstack-formulas/salt-formula/commit/9362277f2a61762b818dc775b30f15f93733efd5))

### BREAKING CHANGES

* **per-formula-opts:** Potential adverse affect on running `salt.formulas` with multiple envs