[Xwt] Add SpinButton API for showing an indeterminate message
[Xwt.Gtk] Add workaround for bug #10904 in SpinButtonBackend
[Xwt.Gtk] Correctly implement previous workaround
[Gtk] Fix leaked Cairo wrapper
Added more drawing tests
[Mac] Improvements in the dialog backend
[Mac] Fixes in the image builder backend

The origin of the drawing context must be the top left corner
[Mac] Make image handle work on Lion
[Tests] Show a diff image in the image comparison dialog
Fix mac tests
Improve image comparison dialog
Add more drawing tests
The image of an ImageView can be set to null
Add test for gradient patterns