The dune-copasi-latest branches were updated, so rebuilding the image should be enough to remove current warnings.

The dune base image usually read all the options files in the /duneci/cmake-flags/ folder, but exactly because it reads every file the flags are set depending on the order of the filers. The easiest solution is to set all flags into only one file. Then last flags will have precedence.

The dune base image usually read all the options files in the /duneci/cmake-flags/ folder, but exactly because it reads every file the flags are set depending on the order of the filers. The easiest solution is to set all flags into only one file. Then last flags will have precedence.

* This image is multi-stage. Each stage tailored for one stage on the pipeline
* Final image has a much less weight due to copying binaries to a new image and downloading essential dependencies.

* Aditionally, the branch `latest` will also be pushed with a `latest` tag.