Add health and healthLabel.
check if turtle is on ground or water
Merge branch 'healthbar' of https://github.com/mayermi/turtle into healthbar

Conflicts:
	js/states/play-state.js
	turtle.js
Merge pull request #4 from mayermi/healthbar

Add health bar and checks for hazardous terrain.
Can drown
Water hurts more and more over time
Add goodies and their effects.
I can drown :O
stops counting zero lifes
Load goodie-config via JSON.
Load goodies per level from JSON.
Saladlifes update
Add strawberry and effect to first level.
Can drown
Water hurts more and more over time
I can drown :O
stops counting zero lifes
Saladlifes update
Add more animations to the turtle, remove old assets.
Lifes are working :)