chore(release): 0.4.0 [skip ci]

# [0.4.0](https://github.com/saltstack-formulas/ufw-formula/compare/v0.3.0...v0.4.0) (2019-05-21)

### Continuous Integration

* **kitchen+travis:** test with pre-salted Docker images ([f27ec2e](https://github.com/saltstack-formulas/ufw-formula/commit/f27ec2e))

### Features

* **tofs:** switch to tofs ([c05019a](https://github.com/saltstack-formulas/ufw-formula/commit/c05019a))

AUTHORS.md

 
 ---
 
-Auto generated by a [forked version](https://github.com/myii/maintainer) of [gaocegege/maintainer](https://github.com/gaocegege/maintainer) on 2019-05-14.
+Auto generated by a [forked version](https://github.com/myii/maintainer) of [gaocegege/maintainer](https://github.com/gaocegege/maintainer) on 2019-05-21.

CHANGELOG.md

 # Changelog
 
+# [0.4.0](https://github.com/saltstack-formulas/ufw-formula/compare/v0.3.0...v0.4.0) (2019-05-21)
+
+
+### Continuous Integration
+
+* **kitchen+travis:** test with pre-salted Docker images ([f27ec2e](https://github.com/saltstack-formulas/ufw-formula/commit/f27ec2e))
+
+
+### Features
+
+* **tofs:** switch to tofs ([c05019a](https://github.com/saltstack-formulas/ufw-formula/commit/c05019a))
+
 # [0.3.0](https://github.com/saltstack-formulas/ufw-formula/compare/v0.2.0...v0.3.0) (2019-05-14)
 
 

FORMULA

 name: ufw
 os: Debian, Ubuntu, Raspbian, RedHat, Fedora, CentOS, Suse, openSUSE, Gentoo, Funtoo, Arch, Manjaro, Alpine, FreeBSD, OpenBSD, Solaris, SmartOS, MacOS
 os_family: Debian, RedHat, Suse, Gentoo, Arch, Alpine, FreeBSD, OpenBSD, Solaris, MacOS
-version: 0.3.0
+version: 0.4.0
 release: 1
 minimum_version: 2016.11
 summary: UFW formula

docs/AUTHORS.rst

 
 ----
 
-Auto generated by a `forked version <https://github.com/myii/maintainer>`_ of `gaocegege/maintainer <https://github.com/gaocegege/maintainer>`_ on 2019-05-14.
+Auto generated by a `forked version <https://github.com/myii/maintainer>`_ of `gaocegege/maintainer <https://github.com/gaocegege/maintainer>`_ on 2019-05-21.

docs/CHANGELOG.rst

 Changelog
 =========
 
+`0.4.0 <https://github.com/saltstack-formulas/ufw-formula/compare/v0.3.0...v0.4.0>`_ (2019-05-21)
+-----------------------------------------------------------------------------------------------------
+
+Continuous Integration
+^^^^^^^^^^^^^^^^^^^^^^
+
+
+* **kitchen+travis:** test with pre-salted Docker images (\ `f27ec2e <https://github.com/saltstack-formulas/ufw-formula/commit/f27ec2e>`_\ )
+
+Features
+^^^^^^^^
+
+
+* **tofs:** switch to tofs (\ `c05019a <https://github.com/saltstack-formulas/ufw-formula/commit/c05019a>`_\ )
+
 `0.3.0 <https://github.com/saltstack-formulas/ufw-formula/compare/v0.2.0...v0.3.0>`_ (2019-05-14)
 -----------------------------------------------------------------------------------------------------