EC-ISA: add intelligent table cache
EC-ISA: avoid usage of table cache lock outside the class implementation by introducing the setEncodingTable/setEncodingCoefficient methods
Merge pull request #2409 from apeters1971/wip-ec-isa-table-cache-refac-master

EC-ISA: add intelligent table cache

Reviewed-by: Loic Dachary <loic-201408@dachary.org>
ReplicatedPG: cancel cb on blacklisted watcher

Fixes: #8315
Backport: firefly
Signed-off-by: Samuel Just <sam.just@inktank.com>
Merge remote-tracking branches 'wonzhq/req-pending', 'origin/wip-9326', 'somnathr/wip-optracker-optimization' and 'origin/wip-8315' into wip-sam-testing