Mostly due to a bad vector access in the overriden operator<<

Course implem ++ and several test / assert introduction. Competency operator == and debug on courseTemporalFrameExce

This commit improve the stability of Magnituce. It solve the issue #1 about shallow/direct copy and updating.
It also implements Competency class, and introduce ceao_competency.cpp (and associate cmake modif) to test it.

CEAO repo initialised with queen tuto from paradiseo exo.
new readme.md for install and pointing dependencies
introducing .gitignore to prevent build directory + other stuffs from queen tuto