Fix borderless window on xlib: now gets keyboard input and a task bar entry.
Fix borderless window on xlib: now gets keyboard input and a task bar entry.

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extra : convert_revision : svn%3A14d46d22-621c-0410-bb3d-6f67920f7d95/trunk%401356

infowantstobeseen/pyglet-darwincore,infowantstobeseen/pyglet-darwincore,infowantstobeseen/pyglet-darwincore,infowantstobeseen/pyglet-darwincore,infowantstobeseen/pyglet-darwincore