added clang-5 support in docker containers
We want to have clang5 support in the docker image since it is decided on the last dev-meeting to support compilers clang5 or newer. So we need an image to test this.
Edited by Simon Praetorius
We want to have clang5 support in the docker image since it is decided on the last dev-meeting to support compilers clang5 or newer. So we need an image to test this.