Update README.md
Merge branch 'master' of https://github.com/cprudhom/Geost
Prepare r3.3.0
Merge branch 'develop' of https://github.com/chocoteam/choco-geost into develop
initiate release 3.3.0
Merge tag 'choco-geost-3.3.0' into master
Merge tag 'choco-geost-3.3.0' into develop
Prepare the code for the next version