Added Cell/Virus Kill/Pass events
Implemented above events in GameController.java
POIs are now all static
Merge branch 'master' of https://github.com/Timalkemade/playful-octo-bear

Conflicts:
	src/main/java/nl/sest/gamejam/model/impl/Model.java
Merge branch 'master' of https://github.com/Timalkemade/playful-octo-bear