fix the hints module on some systems, e.g. Fedora.
Symptom: undefined symbol: engine_hint_root_file
Knot Resolver 1.5.2 (2018-01-22)
fix CVE-2018-1000002: insufficient DNSSEC validation, allowing
attackers to deny existence of some data by forging packets.
Some combinations pointed out in RFC 6840 sections 4.1 and 4.3
were not taken into account.
memcached: fix fallout from module rename in 1.5.1
Knot Resolver 1.5.1 (2017-12-12)
script supervisor.py was removed, please migrate to a real process manager
module ketcd was renamed to etcd for consistency
module kmemcached was renamed to memcached for consistency
fix SIGPIPE crashes (#271)
tests: work around out-of-space for platforms with larger memory pages
lua: fix mistakes in bindings affecting 1.4.0 and 1.5.0 (and 1.99.1-alpha),
potentially causing problems in dns64 and workarounds modules
predict module: various fixes (!399)
add priming module to implement RFC 8109, enabled by default (#220)
add modules helping with system time problems, enabled by default;
for details see documentation of detect_time_skew and detect_time_jump