a version of uu.micros that does not mangle jpg files
make snippet copy-pastable
remove unused header
look for the datafiles next to the binary first
new snippet (draw image on screen)

- center image
- align all pixels (vec2(0.5,0.5))
using the unique_ptr made msvc cry

and this makes me cry too
show that you can play with filters

on the other hand, we would like a much better filter for actually
displaying a photo on the screen. Lanczos for instance.
Merge branch 'draw-image-onto-screen'

* draw-image-onto-screen:
  show that you can play with filters
  using the unique_ptr made msvc cry
  new snippet (draw image on screen)
  look for the datafiles next to the binary first
  remove unused header
  make snippet copy-pastable
  a version of uu.micros that does not mangle jpg files