Warnings cleanup in vtmd.cc
Stale thd->vers_update_trt after rollback to savepoint fix

main.shm (Windows)
main.named_pipe (Windows)
tokudb_parts.partition_syntax_tokudb

main.tc_heuristic_recover
main.func_regexp_pcre
main.mysql_client_test
main.mysql_client_test_comp
main.mysql_client_test_nonblock
encryption.innodb_encrypt_log_corruption
innodb.group_commit_binlog_pos
innodb.group_commit_binlog_pos_no_optimize_thread
innodb.innodb-alter-tempfile
innodb.log_file
innodb.log_file_name
innodb.log_file_name_debug
innodb.log_file_size
innodb.log_corruption
innodb_gis.rtree_compress
innodb_gis.rtree_compress2
innodb_gis.rtree_purge
innodb_gis.rtree_split
mariabackup.huge_lsn
rpl.rpl_semi_sync_event_after_sync
rpl.rpl_semi_sync_after_sync_row
rpl.rpl_semi_sync_after_sync

Removed needless combinations.

sys_vars.sysvars_server_embedded
funcs_1.is_key_column_usage_embedded
funcs_1.is_statistics_mysql_embedded
funcs_1.is_table_constraints_mysql_embedded
funcs_1.is_tables_mysql_embedded
funcs_1.is_columns_mysql_embedded
innodb.monitor

Tests affected: main.mysqlcheck

As they fail on TRT schema check:
innodb.log_file
innodb.table_flags
innodb.row_format_redundant
encryption.innodb_encrypt_log_corruption
encryption.innodb_first_page

Test results:
main.
mysqldump
mysqldump-max
mysqld--help
openssl_1

This reverts commit a86d6bad.

we now have cmake/submodules.cmake that updates all submodules

Related to IB partitioning only.
This reverts commit 7e764ae1.

Tests affected: innodb.group_commit_crash (verbosity improved)

encryption.encrypt_and_grep - regenerate .result
encryption.innodb_encryption - regenerate .result and fix test itself

Tests affected: sys_vars.sysvars_server_notembedded

* btr_pcur_move_to_prev_user_rec() removed
* usage of ut_usectime() removed
* other VTQ-related leftovers

Affected tests:
sql_sequence.gtid sql_sequence.replication

Related to ecde299c3b7afd71f16181b6bd0bc8dda31fad5f

Unclosed stmt transaction
TRT failure in inplace

Related to #305

* System fields renamed
* Removed row0ins.ic
* Removed row_update_for_mysql() wrapper

Reverted DICT_TF2_BITS (midenok)