If quote asterisk oracle say "Syntax error"

LOG_SYSLOG - messages generated internally by syslogd. As we know PHP is not a part of syslogd therefore we should use LOG_USER. (additionaly LOG_USER is the only valid log type under Windows operating systems)

 in migration controller to be compatible to more backends

fixes #3947

fixes #4123

Schema name was not used in ’SHOW CREATE TABLE’  query

Fixed bug where schema name was not used in ’SHOW CREATE TABLE’ query in `yii\db\mysql\Schema`

close #4162

translate exception message

Fixes #4147

Fixes #4114: Added Security::generateRandomHexKey(), used it for various tokens and default key generation

fileinfo is not a hard dependency.

fixes #4086

See https://github.com/yiisoft/yii2/commit/0ff0f9d32eb71cc13b7c6eea45f85d115f98a633

https://github.com/yiisoft/yii2/issues/4071