* build the code with gcc and intel compilers using intelmpi
* runs in a docker container with a basic (OBS) MPCDF software stack

this gets rid of a whole bunch of warnings

I checked. They are intact since being added, so we don't need to add
extra copyright notices in them.

I still need to put in a `host_information.py` discussion, as well as
fixing the install location of host_information...