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.

mammadori/pyglet,oktayacikalin/pyglet,oktayacikalin/pyglet,mammadori/pyglet,theblacklion/pyglet,theblacklion/pyglet,mammadori/pyglet,theblacklion/pyglet,theblacklion/pyglet,oktayacikalin/pyglet,oktayacikalin/pyglet,theblacklion/pyglet,oktayacikalin/pyglet,mammadori/pyglet