Log Message:
logswan: update to 2.1.4.

pkgsrc changes:

- Added GITHUB_RELEASE directives to fetch release file
- Tweak CMAKE_ARGS to reflect upstream GEOIP2DIR changes
- Remove the 'do-test' target and switch to using upstream tests

ChangeLog:

Logswan 2.1.4 (2020-03-27)

- Move GEOIP2DB definition to CMakeLists.txt, allowing build time
  customization
- Display database path name in error message
- Remove direct link to GeoLite2 databases
- Add dependencies installation instruction for Fedora
- Change GEOIP2DB default value to "dbip-country-lite.mmdb"
- Change GEOIP2DIR default value to "${CMAKE_INSTALL_PREFIX}/share/dbip"
- Mention that DB-IP IP to Country Lite database is now the recommended option