Created IndexModel for displaying the indexes on a table. Constraints can now show the SQL to drop and create them.

The keyword list is now directly based of the official keyword list from postgresql.

pglab/TablesTableModel.h

@@ -18,7 +18,7 @@ public:
 		OwnerCol,
 		TablespaceCol,
 		OptionsCol,
-		AclCol,
+		//AclCol,
 		colCount };
 
 	TablesTableModel(QObject *parent);