Detour: Prefixed static nav with 'dtStat', this includes polys and poly refs too.
imgui: Made imgui code not to use id:s anymore, since there were way too many id clashes.
imgui: Separated the rendering code into its' own file, changed prebaked font to use stb_truetype instead, removed glfont.
imgui: Added 'disabled' property to widgets.
Recast: exposed single triangle rasterization into the recast api.
Demo: Changed the debug draw validation to be "soft", easier to demo now.
Removed portal test from demo.cpp
Added new debug draw mode (regions connections).
Tweaked several debug draw modes to be more illustrative.
Added checks in the Detour code to allow to call the API even if the initialization failed.
Rewrote fixup contours, now should handle all cases.
Added few more debug draw modes for the demo.
Changed the vertex welding to cope with slight imprecision in y-direction.
- added rcFixupAdjacentContours which adjust adjacent contour sets so that that they share all vertices (still buggy!)
- changed the demo stucture to handle tiled navmesh generation process (still ugly)
- the performance results are put into a struct instead of logged immediatelly
- added ChunkyTriMesh class which allows to partiotion a trimesh to smaller pieces using AABB tree
