Fixed an include error. Not sure why this was like this?
Added a printout to see the state of the rendering
Makefile for building and building & running the server
Merge branch 'master' of github.com:thijser/Computer-Graphics-raytracing
Merge branch 'master' of github.com:thijser/Computer-Graphics-raytracing
 work
bugfix: incorrect include due to upper case
added medium configuration option
According to the given link the h.normal should be the refrac_index (lowercase N)
Fixed some bugs(?) in the refraction code. It didnt correspond to the given resource
ray.cpp update?
Accidentally introduced a bug. removed now