add armes

ajout armes
add arme1 arme2

basics, still have to change tirer()  : each should be different
Merge remote-tracking branch 'origin/master' into gaelle/armes
Merge remote-tracking branch 'origin/clement/niveau' into gaelle/armes
update

update armes fin de cours
Merge remote-tracking branch 'origin/guillaume/joueur' into gaelle/armes
Merge remote-tracking branch 'origin/master' into gaelle/armes
Armes++

Ajout armes.update :position+angle
correctton armes.tirer()
Merge branch 'gaelle/armes'
Merge branch 'master' of https://github.com/PolySlug/polyslug
Fix indentation
Pas besoin de pygame.locals
Armes est un package
Fix viseur
Ajout viseur
Projectiles est un package
Test des armes et projectiles
PROJO QUI MARCHENT