logilab-database #66133 add support for postgresql schemas [validation pending]

In postgresql, databases can be split into several schemas (namespaces), logilab-database should provide support for this feature.

See http://www.postgresql.org/docs/current/static/ddl-schemas.html for more details.

prioritynormal
typeenhancement
done in1.13.0
load0.250
load left0.000
closed by#77bcb93ccf50 Add basic support for postgresql database schemas (closes #66133)
patchAdd basic support for postgresql database schemas (closes #66133) [applied]