Next 0.17 release

[heuer]

• PR fixes for ext-session-lock-v1 #202
• Fix issue Support for wlr_tablet_tool #191
• Maybe provide wlr_render_pass, see https://wayland.emersion.fr/wlroots/wlr/render/pass.h.html
• Fix issue pywlroots wheel contains unnecessary libs #182. This is very annoying, the wheels are unusable because of incompatible libs (at least with Debian and Void)
• PR expose xwayland.Server's pid #207
• Issue Output: Missing event implementations #209
• Issue wlr 0.17: Missing method: Cursor.unset_image() #213
• Issue 0.17: Seat: Missing destroy event #214
• Issue 0.17: Add "initial_commit" property to XdgSurface #215
• Issue 0.17: Provide wlr_surface.mapped property #216
• Issue VirtualPointerV1NewPointerEvent: Missing properties #217
• Issue Box: Provide wlr_box_equal and wlr_box_empty #218
• Issue Pointer.output_name: Provide setter #219
• Issue Provide wlr_cursor_shape_v1 #220
• Issue LayerSurfaceV1State: Add missing property "committed" #221
• Issue LayerSurfaceV1: Output setter: Accept None as valid value #224

[heuer]

@jwijenbergh, I saw that you're working on 0.18. Does it make sense to invest any more energy into 0.17 or do you address these issues in your fork as well?