Introduce sub-structure and get the kernel ready for multiple images
Support computing multiple (N_NU) images at once
Hard-wire five frequencies in order to fit Sgr A*
Print all the averaged fluxes in the first line
Explicitly cast int to size_t to avoid warnings
Move PrimeSense and Leap Motion supports to src/opt
Move the OpenGL codes to src/opt
Rename vis to tools as we will add other analysis tools there
Update README as we do not sort the photons anymore; update comments
Merge branch 'develop' into master
Merge branch 'develop' into master