* BUG: Fix a backtrace memory leak in error management.
* BUG: Fix a memory leak in process streams.
[GB.FORM]
* BUG: Some bug fixes in DatePicker. It does not work correctly with
gb.gtk yet!
[GB.GTK]
* BUG: Fix the container arrangement and the ClientX / ClientY properties.
* BUG: A form is not its own event observer if one was specified at
instanciation time.
[GB.QT]
* OPT: The container arrangement is now triggered the same way as in
gb.gtk. No Qt event filter is used anymore.
[GB.QT4]
* OPT: The container arrangement optimization from gb.qt has been partially
applied to gb.qt4.
git-svn-id: svn://localhost/gambas/trunk@1858 867c0c6c-44f3-4631-809d-bfa615b0a4ec
3207ea9c1f