MySQL: Fix primary key alteration when adding new columns

Fix docs for Doctrine\DBAL\Id\TableGenerator

primary key on MySQL platform.

MySqlPlatform: Fix default isolation level

Default isolation level on mysql is REPEATABLE READ

https://dev.mysql.com/doc/refman/5.7/en/server-system-variables.html#sysvar_tx_isolation

[Oracle] getListTableColumnsSQL returns columns ordered by position instead of by name.

Add missing SSL parameters to pdo_pgsql driver

Fix copy+paste error in testListTableColumns

Slash before '_' in postgresql like condition with 'pg_' prefix

Add undocumented oci8 persistent connections

The oci8 driver can connect using oci_pconnect to make persistent connections. Doctrine has support for this if the persistent boolean value is set to true in the documentation. However, this information was not documented.

Revert conditional PGSQL & MARIADB change

Removes all sudo items (except hhvm which currently still requires sudo)
reverting the other simpler matrix attempt

Enhance phpdoc of QueryBuilder::setParameter()

[DBAL-2644] Fix fetchAll(PDO::FETCH_COLUMN) on DB2 with Portability wrapper

Simplify Travis Build matrix

Make functional sqlanywhere driver tests conditional

SQLAnywhere corrections for DSN generation and persistent connections

Fix result cache and PDO connection test on pdo_sqlsrv

Fix closing statement cursor on pdo_sqlsrv if not executed yet

[DBAL-2637] Fix closing prepared statement cursor with LOB column on Oracle

Fix dropping inuse databases on SQL Server and Oracle

Fix the reuse of a statement on sqlsrv with explicit bindValue()