We tried this in our research group, and found that issues come in when it gets to things like... Oh no! CMake is too old a version to support a dependency we

We tried this in our research group, and found that issues come in when it gets to things like... Oh no! CMake is too old a version to support a dependency we have to build in the image construction. So we better pull in a version of CMake from a PPA which is community maintained, and build it from source/etc.