- bsc#1101654: Disable YARA support for licensing reasons
(clamav-disable-yara.patch).
- Do not ignore errors from useradd et al.
- Unclutter the spec file.

- Update dendencies (pcre2, libjson-c and systemd)
- Modernise spec file with spec-cleaner

- fix library-without-ldconfig warnings on libclammspack

- Update to version 0.100.1
* CVE-2018-0360: HWP integer overflow, infinite loop
vulnerability (bsc#1101410)
* CVE-2018-0361: PDF object length check, unreasonably long time
to parse relatively small file (bsc#1101412)
* Buffer over-read in unRAR code due to missing max value checks
in table initialization
* Libmspack heap buffer over-read in CHM parser
* PDF parser bugs
* Add HTTPS support for clamsubmit
* Fix for DNS resolution for users on IPv4-only machines where
IPv6 is not available or is link-local only