Merge pull request #1 from aurelien974/master

New level and Inputs settings for keyboard
Deleted Player arrow prefab/script
Added punch prototype
Added punch prototype for every direction
Started to work on a new Level Editor script

It will now display in a window editor and allow user to choose between
tiles to create a level.
Cleaned up some code

Updated Editor scripts to match new variables.
Refactored some code in functions.
Renamed variables.
Fixed a bug

Fixed a little bug involving an unexpected collision when the player
punched down.
Modified punch return movement

Return movement is now a uniform speed, instead of a decreasing speed.
Player now have IDs

*Added a prefab playersManager to manage the players IDs
*Added Script PlayerID in the prefab player which contains their IDs
*ID will be useful to manage multiple controllers inputs
Added multiplayer functionnality

Restricted to 2 players at the moment
Added new level
Commit before merge

commit prototype.unity before merge
Merge remote-tracking branch 'upstream/master'

Conflicts:
	Assets/Scenes/Prototype.unity