panic bug fix
Fixed the bug of not restarring the game when...

...using the backbutton to change screens
Merge branch 'develop' of https://github.com/emmawestman/dat255group3 into develop
cleaned up the panic fix
Merge branch 'develop' of https://github.com/emmawestman/dat255group3 into develop
Updated assets, name from mygdx -> onemorecookieplease,

Assets has now some removed files & is now refactored.
Merge branch 'develop' of https://github.com/emmawestman/dat255group3 into develop

Conflicts:
	dat255_group3/src/com/dat255_group3/controller/WorldController.java
Added and edited javadoc for all controller classes.
Fixed merge conflicts.
Added javadoc in io
Added and edited javadoc in the model classes.
Edited the javadoc in the screen classes.
Edited the javadoc in the utils classes.
Added and edited javadoc for the view classes.
Edited the javadoc in Player
cleaned comments, removed unused stuff, removed logs, fixed indentering osv.
Post mortem report in .pdf named after the group
Merge branch 'develop' of https://github.com/emmawestman/dat255group3 into develop
Added java doc for method contains in payer class