highscore af anton
Merge branch 'backup' of https://github.com/nhkim91/TDDC76-Projekt-SI.git into backup
fixade cooldown för player
Merge branch 'backup' of
https://github.com/nhkim91/TDDC76-Projekt-SI.git into backup

Conflicts:
	highscore.txt


plus att screen size är mer dynamiskt kodad.
Merge branch 'backup' of
https://github.com/nhkim91/TDDC76-Projekt-SI.git into backup

Conflicts:
	src/main.cpp
	src/menu.cpp
	src/space_invader.h