message: Add to contributors.txt
diff: @@ -17,4 +17,5 @@ Maier Matthias <matthias@43-1.org> Texas A&M University
  Nayak Pratik <pratik.nayak@kit.edu> Karlsruhe Institute of Technology
  Olenik Gregor <go@hpsim.de> HPSim
  Ribizel Tobias <mail@upsj.de> Karlsruhe Institute of Technology
  +Riemer Lukas <lksriemer@gmail.com> Karlsruhe Institute of Technology
  Tsai Yuhsiang <yhmtsai@gmail.com> National Taiwan University
  