Reorganize files in pglablib

The enitities and containers of the catalog now go into catalog subfolder
Models go into model

pglablib/catalog/PgOwnedObject.cpp

@@ -0,0 +1,25 @@
+#include "PgOwnedObject.h"
+#include "PgAuthId.h"
+#include "PgAuthIdContainer.h"
+#include "PgDatabaseCatalog.h"
+
+void PgOwnedObject::setOwnerOid(PgDatabaseCatalog& cat, Oid oid)
+{
+	m_ownerOid = oid;
+	m_owner = cat.authIds()->getByKey(oid);
+}
+
+Oid PgOwnedObject::ownerOid() const
+{
+	return m_ownerOid;
+}
+
+QString PgOwnedObject::ownerName() const
+{
+	return m_owner->name;
+}
+
+const PgAuthId* PgOwnedObject::owner() const
+{
+	return m_owner;
+}