* **vhosts/cleanup:** check `sites-enabled` dir exists before listing it ([88373e3](https://github.com/saltstack-formulas/apache-formula/commit/88373e38f55eab61cf1c4edc68324f3da48f7646)), closes [#278](https://github.com/saltstack-formulas/apache-formula/issues/278)
### Continuous Integration
* **gemfile.lock:** add to repo with updated `Gemfile` [skip ci] ([61b903e](https://github.com/saltstack-formulas/apache-formula/commit/61b903e7803eb80b50130834b90ca86d26b9d6c8))
* **kitchen:** use `saltimages` Docker Hub where available [skip ci] ([6895fb9](https://github.com/saltstack-formulas/apache-formula/commit/6895fb9764e9cebcbbff05763e367401d6cad959))
* **debian:** generate remoteip conf before a2enconf ([1ed69f6](https://github.com/saltstack-formulas/apache-formula/commit/1ed69f6c6fab0eb583949105e9e29e58b6ba32a3))
### Continuous Integration
* **kitchen:** avoid using bootstrap for `master` instances [skip ci] ([275b5d5](https://github.com/saltstack-formulas/apache-formula/commit/275b5d5e69fa79f1010852d65f0fcb65cadf735d))
* **travis:** use `major.minor` for `semantic-release` version [skip ci] ([08cced2](https://github.com/saltstack-formulas/apache-formula/commit/08cced29134ca47824e82ee6afa794233cdb5faa))
* **redhat:** add user & group lookup to configs ([36ad2b2](https://github.com/saltstack-formulas/apache-formula/commit/36ad2b24424936a4badeb7b4b2b26ee0d39e55f2))
* **mod_mpm:** cast to int to avoid Jinja type mismatch error ([21045c7](https://github.com/saltstack-formulas/apache-formula/commit/21045c7a7b46d639c2d81c5793ad6e6d9d34b66b))
* **travis:** opt-in to `dpl v2` to complete build config validation ([19e90ea](https://github.com/saltstack-formulas/apache-formula/commit/19e90ea2d6ef91118ebf59817ef4c91ad876af54))
* **travis:** quote pathspecs used with `git ls-files` [skip ci] ([6608ddf](https://github.com/saltstack-formulas/apache-formula/commit/6608ddf8c5a361b93e6a44658ab1e306953566bf))
* **travis:** run `shellcheck` during lint job [skip ci] ([2ff6b2f](https://github.com/saltstack-formulas/apache-formula/commit/2ff6b2f17e1fd48b5f0a4156c2dbd90f07f27025))
* **travis:** use build config validation (beta) [skip ci] ([73160b2](https://github.com/saltstack-formulas/apache-formula/commit/73160b249124df6bbd36b113df71724c019a118f))
### Features
* **server-status:** allow remote servers to reach server-status page ([a3c0022](https://github.com/saltstack-formulas/apache-formula/commit/a3c0022d7988eee0ec43d939bced91dee9fec0e1))
* **release.config.js:** use full commit hash in commit link [skip ci] ([dc5593c](https://github.com/saltstack-formulas/apache-formula/commit/dc5593cfdf775e065ea5f680f2ed2b6b7c80d8ed))
### Continuous Integration
* **kitchen:** use `debian-10-master-py3` instead of `develop` [skip ci] ([09d82a5](https://github.com/saltstack-formulas/apache-formula/commit/09d82a581caa09298d3d99ded215c5e45c5b619f))
* **kitchen:** use `develop` image until `master` is ready (`amazonlinux`) [skip ci] ([d0bf6f3](https://github.com/saltstack-formulas/apache-formula/commit/d0bf6f37969a9a97a6e368278e0f9eb40431f2f1))
* **kitchen+travis:** upgrade matrix after `2019.2.2` release [skip ci] ([fc0f869](https://github.com/saltstack-formulas/apache-formula/commit/fc0f869b78ef56369e1cfb6ff3d62179f703efa0))
* **travis:** update `salt-lint` config for `v0.0.10` [skip ci] ([2622d48](https://github.com/saltstack-formulas/apache-formula/commit/2622d48b4ccb01cd70555d46759d79d82d1db7bf))