* BUG: Fix DBusObserver matching rules handling.
[GB.GTK]
* NEW: Control.NoTabFocus is a new property that prevents a control from
being in the TAB key focus chain.
[GB.QT4]
* NEW: Control.NoTabFocus is a new property that prevents a control from
being in the TAB key focus chain.
* OPT: Make part of the internal widget structure optional to save a bit of
memory when rarely used properties are not set.
git-svn-id: svn://localhost/gambas/trunk@4490 867c0c6c-44f3-4631-809d-bfa615b0a4ec
834ca97b78