[ent] Draw cursor if available (it's not available yet :)
[ent] Add focus to bipeds, or try to
[ent] return focus relative to world, not self
[core] Tweak mouse input.  GLFW seems to have an off-by-one error.
[ent] Forgot to add cursor image files
[core] Improve input handling
[shell] Fix Console namespace
[shell] Mysterious unconstructablility due to failing to override a pure virtual function.  Use those override keywords, kids!