Merge pull request #391 from lookslikematrix/feature/add_jenkins_disa…

…ble_restart

Add `jenkins_restart_method` to allow a `safe restart` to be performed.

And add allowerasing so it actually works.

Use a newer version of Jenkins in the version-specific test.

Remove deprecated warn arg from command and shell module invocations.

Use more modern Jenkins version for CI version tests.

Merge pull request #187 from andreasscherbaum/curl-warning

Switch from using curl command to CLI module to check startup success

Merge pull request #232 from neilmillard/create_home_b4_service

Ensure home exists before service start

PR #284 follow-up. Simplify, and add support for CentOS 8 and Debian 10.

Update example playbook.

Merge pull request #288 from NSIT/feature/fix-outdated-docs

Fix outdated documentation