Added support for namespaces(schemas) in PostgreSql platform for Views
Changed tabs into spaces.
splitted the name viewname in getListViewsSQL into schemaname and viewname
Update TestInit.php for new autoloading stuff

This patch took inspiration from and has similarities to: https://github.com/doctrine/doctrine2/blob/master/tests/Doctrine/Tests/TestInit.php
Besides the table name, the column name has to be quoted in column comments.

This prevents ORA-00904: "HERE_BE_COLUMN_NAME": invalid identifier.
add insert query
update code examples
update code examples
optimize table indexes introspection in DB2
fix table foreign key constraints introspection in DB2
add initial BLOB type support in DB2
fix truncate table SQL in DB2
fix current time, date and timestamp SQL in DB2
add date arithmetic expressions in DB2
fix bit operator expressions in DB2
fix portability connection in DB2
fix default values in DB2
fix renaming columns in DB2
fix autoincrement column introspection in DB2
fix empty to null portability in DB2