Detector data analysis

[CFGrote]

Hi,
can someone from HZDR please review the changes and address the following:

• possible nameclash: XRT is a well known code for X-Ray Tracing, which we are currently incorporating in
  simex_platform (branch #xrt_calculator). If I understand correctly there will be a code with the same name for x-ray scattering, soon. Can we avoid having two codes with the same acronym? Or is the hzdr xrt project a fork of the raytracer ?
• Line 307 is still missing some information. I added this (half)sentence assuming that phasing diffraction data is part of the typical workflow for forward scattering experiments. If this is inaccurate, please remove the line, otherwise a reference to the phasing algorithm would be nice.

Thanks a lot!

[ax3l]

@Flamefire naming of xrt is sub-optimal (see above; the name is not only taken by an other well established code, it's also incorporated in the same project (simex) which would cause massive confusion; links: tracer and there is even a xray telescope called xrt ^^)

@CFGrote no, it's not a fork. it's a newly written, libPMacc based, multi-GPU photon tracer.