This patch is for 5.7.

This WL forces deprecation warnings on setting a few compatibility
modes:

* DB2
* MAXDB
* MSSQL
* MYSQL323
* MYSQL40
* ORACLE
* POSTGRESQL
* NO_FIELD_OPTIONS
* NO_KEY_OPTIONS
* NO_TABLE_OPTIONS

Also in warns on the creation of TIMESTAMP columns if the MAXDB SQL mode is "on".