Added a contained-image to ItemContainer

Also added some tests and comments
Added beginning of ItemView

ItemView is a paus-menu where you can manage your items.
Tested .gitignore
Added check when the player will be able to shoot

The players Shoot method will be called everytime the Fire Joystick is
moved
Added reload time for the shoot method
Added comments to the shoot method
Updated the shoot method
Added comments
Added a null check for the sweeoDeadBodies method
Added a reminder
Additional checks, safety reasons
Collision detection when a Zombie or Human is hit by a bullet.

This needs firther testing. Dont know if the problem lies withtin OSX
operating system or the Code.
Resolved imports
Started to implement functionality to change weapons
Sending info to Player about which slot that is selected
Updated Animator.java, and GameView and added some spritesheets
Removed a lot of commented code and added new comments, fixed issues with the animations
New player sheet
Added comments
Reset the human and zombie sizes