Log Message:
Update to 2.8.2

Changelog:
Knot DNS 2.8.2 (2019-06-05)
===========================

Features:
---------
 - New blocking mode for zone event triggers in knotc
 - New weighted records mode in the module geoip (Thanks to Conrad Hoffmann)
 - Module noudp allows UDP allow rate configuration

Improvements:
-------------
 - NSEC3 salt lifetime can be set to infinity
 - New 'running' zone event status in the knotc output
 - Knotc in the forced mode returns failure also if zone check emits any warning
 - Ignoring PMTU information for IPv4/UDP via IP_PMTUDISC_OMIT (Thanks to \ 
Daisuke Higashi)
 - Various improvements in the documentation

Bugfixes:
---------
 - Broken setting of CPU affinity for UDP workers
 - Unexpected results with the geoip subnet mode
 - Sometimes insufficient zone adjusting
 - Incoherent DNSKEY RRSIG lifetimes in SKR
 - Confusing output from keymgr if an error occurs during KSR generation
 - Non-functional changeset history depth limitation in kjournalprint
 - Wrong processing of multiple $INCLUDE directives #646