Merge branch 'MDL-43884-master' of git://github.com/ankitagarwal/moodle

diff --cc lib/dml/mssql_native_moodle_database.php
Simple merge

diff --cc lib/dml/oci_native_moodle_database.php
Simple merge

diff --cc lib/dml/pgsql_native_moodle_database.php
Simple merge

diff --cc lib/dml/sqlsrv_native_moodle_database.php
Simple merge