Reorganize files in pglablib

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

pglablib/catalog/PgDatabaseContainer.cpp

@@ -0,0 +1,21 @@
+#include "PgDatabaseContainer.h"
+#include "Pgsql_Col.h"
+
+std::string PgDatabaseContainer::getLoadQuery() const
+{
+	return "SELECT oid,datname,datdba,encoding,datcollate,datctype,datistemplate,datallowconn,"
+			"datconnlimit,dattablespace,datacl FROM pg_database";
+}
+
+PgDatabase PgDatabaseContainer::loadElem(const Pgsql::Row &row)
+{
+	Pgsql::Col col(row);
+
+	Oid oid = col.nextValue();
+	QString name = col.nextValue();
+	PgDatabase v(m_catalog, oid, name);
+	col >> v.dba >> v.encoding >> v.collate >> v.ctype >> v.isTemplate
+			>> v.allowConn >> v.connLimit >> v.tablespace >> v.acl;
+	return v;
+}
+