new C++ demo: realtime.cc (real-time scene viewer using SDL)
Quaternion, Camera::rotate and Camera::move
replace all printf's with infomsg wrapper
don't allocate memory in Raytracer::render, just blindly write to provided address
don't creat Container object in Raytracer, let user do it
================== Pyrit Ray Tracer==================License-------Currently unlicensed, you may not redistribute or use this work for any purposes.Will be MIT licensed when ready.Pthreads--------Threads can be used to render rows of picture paralelly. Arbitrary numberof threads can be used, even numbers like 17 are acceptable.To completely disable this feature just remove "-DPTHREADS -pthreads"from flags in makefile.For Windows + Mingw32, get pthreads library here:http://sources.redhat.com/pthreads-win32/