Ansible-modules-hashivault

------------------
- Add installation instructions and bump release. [Terry Howe]
- Selectively enable check mode. [Marc Sensenich]
- Check for changes even if not updating. [Marc Sensenich]
- Revert changes to test.yml. [Marc Sensenich]
- Use local params to limit code changes. [Marc Sensenich]
- Add Check Mode to HashiVault Write. [Marc Sensenich]
- Automated tests for py3. [Terry Howe]

------------------
- Py3 compatibility. [Terry Howe]

------------------
- Rename file read/write to to/from. [Terry Howe]
- Created modules and action plugins for reading and writing file
secrets. [GIBSON, NICHOLAS R]
- Change okifmissing to default. [Terry Howe]
- Added variable ok_if_missing to return an empty result if searched key
does not exists. [Bruno Soares]

------------------
- Check un/sealed and return correct status. [Carlo Blohm]
- Add example sandbox. [Terry Howe]

------------------
- Add userpass tempate. [Terry Howe]
- Ldap and userpass support from env. [Terry Howe]

------------------
- Add the rest of the approle modules. [Terry Howe]
- Minimum approle modules. [Terry Howe]
- Use templates for env files. [Terry Howe]
- Add namespace for approle and fix lookup plugin. [Terry Howe]
- Reuse test_secret rather than include. [Terry Howe]
- Add newline on env file. [Terry Howe]
- Added approle authentication. [GIBSON, NICHOLAS R]
- Allow update on non existing attribute. [Terry Howe]
- Split out secret and ephemeral testing. [Terry Howe]
- Read secrets only for update. [Terry Howe]
- Add changed flag support for hashivault_write. [Jean-Yves Rivallan]
- Add documentation for mount tune. [Terry Howe]