Some options not configurable via the role

[bschonec]

Is your feature request related to a problem? Please describe.
Configurations like Strictmodes, SyslogFacility and LogLevel are hard-coded in the j2 template.

Describe the solution you'd like
Those parameters added to the role.

Additional context
Do you have any standard naming conventions you want me to adhere to when I submit a merge request?

I'm thinking: log_level and syslog_facility for example.

[rndmh3ro]

Hey @bschonec, I'd welcome a PR if you feel this needs to be dynamic!

Do you have any standard naming conventions you want me to adhere to when I submit a merge request?

Prepend the variables with ssh_, e.g. ssh_log_level.

[rndmh3ro]

Fixed by #240