* **gemfile.lock:** add to repo with updated `Gemfile` [skip ci] ([bcd67a6](https://github.com/saltstack-formulas/nginx-formula/commit/bcd67a6d462ac7b33e0e8638f0da9a2e762076b2))
* **gitlab-ci:** use GitLab CI as Travis CI replacement ([f988e6d](https://github.com/saltstack-formulas/nginx-formula/commit/f988e6d8f5eb8bb9f8a99d6b2075883797040600))
* **kitchen:** use `saltimages` Docker Hub where available [skip ci] ([a45ffb6](https://github.com/saltstack-formulas/nginx-formula/commit/a45ffb66aef246504794a82fddc71b5351f667e5))
* **pre-commit:** add to formula [skip ci] ([cb98ed0](https://github.com/saltstack-formulas/nginx-formula/commit/cb98ed05c69af62c32e4b780498421cf4bdd2856))
* **pre-commit:** enable/disable `rstcheck` as relevant [skip ci] ([093c38e](https://github.com/saltstack-formulas/nginx-formula/commit/093c38eae748a457644d9b0e802e10ebfef16bdb))
* **libtofs:** “files_switch” mess up the variable exported by “map.jinja” [skip ci] ([10b446e](https://github.com/saltstack-formulas/nginx-formula/commit/10b446ed1ed295e5bf75fcb437953df61b39ba9e))
### Continuous Integration
* **kitchen:** avoid using bootstrap for `master` instances [skip ci] ([efebb0a](https://github.com/saltstack-formulas/nginx-formula/commit/efebb0af6b4cda41a75d571fe5adc869b32febb7))
* **map.jinja:** use upstream default for `worker_connections` ([49caf8c](https://github.com/saltstack-formulas/nginx-formula/commit/49caf8cd69be49bd7773949c9f29e147732140a5)), closes [#261](https://github.com/saltstack-formulas/nginx-formula/issues/261)
### Continuous Integration
* **gemfile:** restrict `train` gem version until upstream fix [skip ci] ([09be54d](https://github.com/saltstack-formulas/nginx-formula/commit/09be54d05fb3ce7cff039aa74633a3b29dcbbcee))
* **travis:** quote pathspecs used with `git ls-files` [skip ci] ([091c614](https://github.com/saltstack-formulas/nginx-formula/commit/091c61448dd068e2734869caeb91cedb6f4264e2))
* **travis:** run `shellcheck` during lint job [skip ci] ([ccf64d9](https://github.com/saltstack-formulas/nginx-formula/commit/ccf64d9be2f0aa07dfb72ed25352197081e9e388))
* **travis:** use `major.minor` for `semantic-release` version [skip ci] ([facbaa1](https://github.com/saltstack-formulas/nginx-formula/commit/facbaa1e392de9238cf494964e57af73e1bf709a))
* **certificates.sls:** prepare `certificates_path` dir separately ([297e3ac](https://github.com/saltstack-formulas/nginx-formula/commit/297e3ac400707cdd8f396da4c23ba30fc719a2cd)), closes [#241](https://github.com/saltstack-formulas/nginx-formula/issues/241)
* **release.config.js:** use full commit hash in commit link [skip ci] ([b13ec85](https://github.com/saltstack-formulas/nginx-formula/commit/b13ec85433d85b8ca87c3798db9cab3e297b81cf))
### Continuous Integration
* **kitchen:** use `debian-10-master-py3` instead of `develop` [skip ci] ([0665878](https://github.com/saltstack-formulas/nginx-formula/commit/066587829c5a40967b0e7926f12202b07b51ab3c))
* **kitchen:** use `develop` image until `master` is ready (`amazonlinux`) [skip ci] ([e8ed39a](https://github.com/saltstack-formulas/nginx-formula/commit/e8ed39a62cd40fe43af2aae67a3e2347d02b6b6a))
* **kitchen+travis:** upgrade matrix after `2019.2.2` release [skip ci] ([faefcab](https://github.com/saltstack-formulas/nginx-formula/commit/faefcabd654e5323b6ca146fb0046dd636ed5f68))
* **travis:** opt-in to `dpl v2` to complete build config validation [skip ci] ([dbeb2da](https://github.com/saltstack-formulas/nginx-formula/commit/dbeb2da3e43aa13f162b1ac4c6203ecff60e0102))
* **travis:** update `salt-lint` config for `v0.0.10` [skip ci] ([a8382b5](https://github.com/saltstack-formulas/nginx-formula/commit/a8382b51a028ed5f069ff0168127ef3c8a4337da))
* **travis:** use build config validation (beta) [skip ci] ([bbf91c9](https://github.com/saltstack-formulas/nginx-formula/commit/bbf91c9f1432118a9eafde507de9ffa7b3ff5093))
* merge travis matrix, add `salt-lint`&`rubocop` to `lint` job ([567c08c](https://github.com/saltstack-formulas/nginx-formula/commit/567c08c9adf752eb95627b0e914804645015ee20))
### Documentation
* **contributing:** remove to use org-level file instead [skip ci] ([2e58d63](https://github.com/saltstack-formulas/nginx-formula/commit/2e58d636aaa8a66ec9540238b2f4e267172e10c2))
* **readme:** update link to `CONTRIBUTING` [skip ci] ([3ff6692](https://github.com/saltstack-formulas/nginx-formula/commit/3ff6692590932e7cc7609fdc0f52fc261228f290))
* **pillar/nginx.sls:** add reprodicible snippet based on issue [#241](https://github.com/saltstack-formulas/nginx-formula/issues/241) ([4ba3524](https://github.com/saltstack-formulas/nginx-formula/commit/4ba35247ed742393367968db34ff61a6b07f6695))
* **inspec:** add test for `log_format` [#219](https://github.com/saltstack-formulas/nginx-formula/issues/219) ([4ed788e](https://github.com/saltstack-formulas/nginx-formula/commit/4ed788e))