[dsc] Release 2.0.0-rc.1

[Jerry Lundström]

Greetings,

It is time for the first release candidate of DSC version 2.0.0 which is
a major update long overdue and we hope that some of you might be able
to test it for us before the final release that is set on the 31th of May.

Release notes:

    https://github.com/DNS-OARC/dsc/releases/tag/v2.0.0-rc.1

Tarball and SHA256:

    https://www.dns-oarc.net/files/dsc/dsc-2.0.0-rc.1.tar.gz
    cc550f8c327b8cf210933820eb228b9a5a0bd0076d72cef579a835fac447a3d3

Please read UPGRADE.md for information on upgrading from previous version.

    https://github.com/DNS-OARC/dsc/blob/v2.0.0-rc.1/UPGRADE.md

Major changes / additions are:
- Use of Automake and rework of the Makefiles
- Conform to FHS 3.0
- Man-pages (man dsc, man dsc.conf)
- Continuous Integration testing using Travis-CI
- Compatibility testing on Debian, CentOS, FreeBSD and OpenBSD
- Use of Coverity Scan to find defects
- JSON output format, see output_format in dsc.conf(5).
- IPv6 support in country indexer and libgeoip is now runtime
  configurable, see geoip_v4_dat / geoip_v6_dat in dsc.conf(5).
- Signal handling and optional write reports on exit, see
  dump_reports_on_exit in dsc.conf(5).
- Upload scripts are deprecated

Credits:
- Klaus Darilion NIC.AT for GeoIP IPv6 patch.
- Michael Braunoeder NIC.AT for NXDOMAIN filter patch.
- L-root for overflow bugfix IP fragments.
- McStork for JSON output patch.

Cheers,
Jerry