Unified installation process

[guiguem]

https://bloerg.net/2012/11/10/cmake-and-distutils.html provides an example to install both C++ and python libraries at once.

[guiguem]

PyCMake seems to be doing what we need: we would need to install the package before hand and add the cmake project as python objects in the setup.py.
https://github.com/algorys/pycmake