Cleanup (removed SVN entries and directories)
Changed query to work in current version
Updated constructor to use parent::_construct
Switched to newest ADODB version (for PHP5)
Fixed CustomFields inheritance
Initial cleanup - removed unnecessary database types, as only mysql
could be used right now.

Removed "patch" that prevented database configuration apart from MySQL.

Added the possibility to specify the table prefix during installation.

Fixed permissions class to use db_exec instead of myslq_query