Added Comperator and manhattan dist
Merge branch 'master' of https://github.com/Arnatar/Uni

Conflicts:
	gwv/04/src/search/Robot.java
	gwv/04/src/search/State.java
Merge branch 'master' of https://github.com/Arnatar/Uni

Conflicts:
	gwv/04/src/search/State.java
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