NEO 1.11

* tag 'v1.11': (52 commits)
  Release version 1.11
  Fix short descriptions of neoctl & neomigrate in their headers
  Update copyright year
  qa: new tool to stress-test NEO
  master: fix typo in comment
  Fix error handling when setting up a listening connector
  Fix incomplete/incorrect mapping of node ids in logs
  Fix log corruption on rotation in multi-threaded applications (e.g. client)
  sqlite: optimize storage of metadata
  neolog: do not die when a table is corrupted
  neolog: add support for zstd-compressed logs
  neolog: do not hardcode default value of -L option in help message
  fixup! New log format to show node id (and optionally cluster name) in node column
  New log format to show node id (and optionally cluster name) in node column
  fixup! client: discard late answers to lockless writes
  client: fix race condition between Storage.load() and invalidations
  client: fix race condition in refcounting dispatched answer packets
  More RTMIN+2 (log) information for clients and connections
  storage: check for conflicts when notifying that the a partition is replicated
  storage: clarify several assertions
  qa: new expectedFailure testcase method
  client: merge ConnectionPool inside Application
  client: prepare merge of ConnectionPool inside Application
  client: fix AssertionError when trying to reconnect too quickly after an error
  qa: fix attributeTracker
  storage: fix storage leak when an oid is stored several times within a transaction
  client: discard late answers to lockless writes
  qa: in threaded tests, log queued packets when "tic is looping forever"
  In logs, dump the partition table in a more compact and readable way
  storage: fix write-locking bug when a deadlock happens at the end of a replication
  client: log_flush most exceptions raised from Application to ZODB
  client: fix assertion failure in case of conflict + storage disconnection
  client: simplify connection management in transaction contexts
  client: also vote to nodes that only check serials
  qa: deindent code
  Bump protocol version
  client: fix undetected disconnections to storage nodes during commit
  Fix data corruption due to undetected conflicts after storage failures
  master: notify replicating nodes of aborted watched transactions
  New neoctl command to flush the logs of all nodes in the cluster
  storage: fix premature write-locking during rebase when replication ends
  client: fix race condition when a storage connection is closed just after identification
  storage: relax assertion
  comments, unused import
  storage: fix write-lock leak
  client: fix possible corruption in case of network failure with a storage
  qa: comment about potential freeze when a functional test ends
  storage: fix assertion failure in case of connection reset with a client node
  qa: document a rare random failure in testExport
  debug: add script to trace all accesses to the client cache
  Use argparse instead of optparse
  neolog: use argparse instead of optparse
  Add comment about dormant bug when sending a lot of data to a slow node
  client: make clearer that max_size attribute is used from outside ClientCache