Add FEATURE_QUALIFIED_TABLE_NAMES capability

When creating a connection to an Oracle database, DBUnit will populate a
Map of table names. By default these will not be prefixed with the
schema name. As a result, you can get duplicate table names or you
cannot use schemas using this plugin.
Merge branch 'master' of https://github.com/neojoda/grails-dbunit-operator
Added feature for qualified table names

by Juan Bautista Giménez Sendiu