Merge branch '10.0' into 10.1

Fix for post-merge build failure.

Merge branch 'bb-10.0-vicentiu' into 10.0

Extra merge commit due to intermediate commits pushed to 10.0 while
merge was done.

Merge tag 'mariadb-5.5.54' into 5.5-galera

MDEV-11227 - mysqlimport -l doesn't issue UNLOCK TABLES

Merged fix for innodb_mysql from 5.7.

reduce code duplication a little

Fix broken cmake -DBUILD_CONFIG=mysql_release on Windows.

mysql_release.cmake set WITH_JEMALLOC=static, which makes windows
builds fail since there is no jemalloc either static or shared there

Remove galera suites from default list for now, tests are unstable

Disable unstable galera_concurrent_ctas test.

Typo fixed.