enable ssl + ssl_verify_server_cert in the internal client too
* fix replication tests to disable master_ssl_verify_server_cert
because accounts are passwordless - except rpl.rpl_ssl1
* fix federated/federatedx/connect to disable SSL_VERIFY_SERVER_CERT
because they cannot configure an ssl connection
* fix spider to disable ssl_verify_server_cert, if configuration
says so, as spider _can_ configure an ssl connection
* memory leak in embedded test-connect
- created binlog_encryption test suite and added it to the default list
- moved some tests from rpl, binlog and multisource suites to extra
so that they could be re-used in different suites
- made minor changes in include files
Fixed MDEV-4033 Unable to use slave's temporary directory /tmp - Can't create/write to file '/tmp/SQL_LOAD-' (Errcode: 17 "File exists")
- Cache value of check_temp_dir() to avoid race condition
- Set $rpl_server_count to avoid error in show_rpl_debug_info.inc
mysql-test/suite/multi_source/info_logs.test:
Set $rpl_server_count
mysql-test/suite/multi_source/multisource.test:
Set $rpl_server_count
mysql-test/suite/multi_source/relaylog_events.test:
Set $rpl_server_count
mysql-test/suite/multi_source/reset_slave.test:
Set $rpl_server_count
mysql-test/suite/multi_source/simple.test:
Set $rpl_server_count
mysql-test/suite/multi_source/skip_counter.test:
Set $rpl_server_count
mysql-test/suite/multi_source/status_vars.test:
Set $rpl_server_count
sql/slave.cc:
Cache value of check_temp_dir() to avoid race condition