tinc-1.0.36-bp155.3.6

- Added hardening to systemd service(s) (bsc#1181400). Added patch(es):
  * harden_tinc.service.patch
  * harden_tinc@.service.patch

- Update to tinc 1.0.36
- Rename tinc-1.0.35-systemd-path-fix.patch to tinc-systemd-path-fix.patch

- BuildRequire pkgconfig(systemd) instead of systemd: allow OBS to
  shortcut through the -mini flavors.

- Add the missing zlib requirement.

- Adding tinc.service and tinc@.service

- Fix systemd path problem.
  * Add tinc-1.0.35-systemd-path-fix.patch

- Security update to version 1.0.35.
  * Prevent oracle attacks (CVE-2018-16737, CVE-2018-16738).
  * Prevent a MITM from forcing a NULL cipher for UDP (CVE-2018-16758).

- Initial package creation