pom clean
code clean
code clean
Merge origin/master
Big commit, i am realy sorry :
    * UpdateLevelVisualSystem use diff, no absolute position.
    * Remove move run but bug, debug message is present, functionality arrived.
Fix litle bug, when use undo, just solve sprite move and you can try it.
arrows for Ned's moves
Ident correction.
Comment some bug return
* Revert c94362ef3 bug return isn't it.
* Add function to update animations when return is called
Merge origin/master
Merge origin/master
Try to integrate SpriteMoveToRelative, some probleme is presente.
Merge origin/master
fix #52 Problème retour menu principal