Merge pull request #36 from hmourit/master

Added random moving behavior for enemy when player is not in range.
Merge pull request #37 from dgalaktionov/master

Made two levels with enemies
Merge pull request #40 from dgalaktionov/master

Fixed #38
Merge pull request #41 from dgalaktionov/master

Now scene is passed as an update parameter for every Entity
Merge pull request #43 from dgalaktionov/master

Made all the weapons
Renamed .PNG to .png
Fixed Level bug. Continued working on HUD.
Added references to the director to fix bugs.
We must have a way to tell when the user is using in-game GUI elements, so that the player controller cant react to clicks.
Fixed bug in some GUI elements.
They didn't have a reference to de director yet.
Now enemies don't overlap (at least not much). Little refactor of sprite position assignment.
Changed place of the overlap avoiding behavior.
Merge pull request #44 from hmourit/master

Now enemies don't overlap (at leat not much)
Added new levels, new type of enemy(Legionnaire), doors and modified game to run levels in the right order.
Merge remote-tracking branch 'upstream/master'
Fixed Door errors.
Fixed bug in HUD
Added hp and atk
Merge pull request #45 from martinaLopez/master

Added new levels and fixed bug in HUD
Fixed man dao una ostia