Place jira.service in /lib/systemd
Place jira.service in /lib/systemd

On Debian-based distros /usr/lib/systemd doesn't exist while on Red Hat
7+ /lib is a symlink to /usr/lib. That means using /lib/systemd works on
all supported distros.

Fixes: 23242f9f7a68f6d0728bc2c3d7b1198570f69b34

mkrakowitzer/puppet-jira,voxpupuli/puppet-jira,puppet-community/puppet-jira,mkrakowitzer/puppet-jira,puppet-community/puppet-jira,voxpupuli/puppet-jira,mkrakowitzer/puppet-jira,puppet-community/puppet-jira