Ajout des pieces capablanca (x4)
Amelioration graphique
Merge pull request #17 from blabla45/master

Amelioration graphique
Merge pull request #18 from pdiot/master

correction mise en echec
Merge pull request #19 from pdiot/master

test check
Factorisation isOnScreen(Plate plate)
Capablanca ok
Merge pull request #20 from blabla45/master

Capablanca ok
Merge branch 'master' of https://github.com/DangeRoots/Echecs
Suppression de tous les warnings
Amélioration du Readme
modification mise en echec