* Add systemd_journal_create_directory boolean
* Add systemd_journal_storage option
* Add systemd_journal_compress option
* Add systemd_journal_max_retention_sec option
* Add systemd_journal_configuration to enable complex configuration without adding role parameters
* Refactor main.yml to deal with any journald option
* Refactor main.yml to use inifile instead of lineinfile
* Update Readme
* Update meta data
* fix journal dir permissions