Added screen width and height constants
Started implementing tokens (fish, player, enemy, food)
Added Sprite2 with methods to set relative size
Added ExtendedSprite with methods to set relative size
Merge pull request #4 from torgeha/jarleBranch

Jarle branch
Simple tokens structure
Merge branch 'master' of github.com:torgeha/FlapMyFish

Conflicts:
	src/no/ntnu/flapmyfish/Constants.java
Merge pull request #6 from torgeha/start_stuff

Start stuff