Adding modification about map
random stuff
Adding first draft of the NPCs
update TW repo
Adding first NPC
Adding modification about GameState
use of nwe GameState system (with event instead of callback)
up TW repo
Adding management of Waypoints
add PNJs and waypoints on the map
Adding NPC animation
added missing parent constructor call on MapLoadingScreen
Adding NPC and player gestion of zIndex according to the y-axis
add enemies on map
Merge branch 'master' of tumbleweed-studio.net:demo-rpg
Enemys added, they're able to chase you util you're not too far from them (approximately 100px since now...)
Adding first draft of the conversation boxes on the NPC (you can talk with them by using P keyboard key.)
Now NPC sees their animation stoped when they're are talking with the player.
Update TW repo for using new GameStack class.

 - Some methods and classes are been renamed.
 - Game is now `link()`