Updating README.md.
Updating README.md.

JulienBrechet/Teaching-HEIGVD-RES-2017-Labo-HTTPInfra,JulienBrechet/Teaching-HEIGVD-RES-2017-Labo-HTTPInfra,JulienBrechet/Teaching-HEIGVD-RES-2017-Labo-HTTPInfra,JulienBrechet/Teaching-HEIGVD-RES-2017-Labo-HTTPInfra