[gi-overrides] let user set the proper property names in Gtk.Table
[gi-overrides] let user set the proper property names in Gtk.Table

* the old override added a columns and rows parameters to the Table constuctor
  to be in sync with PyGtk.
* The GTK properties are n_columns and n_rows
* support both

Distrotech/pygobject,Distrotech/pygobject,Distrotech/pygobject,Distrotech/pygobject