Plants Die!

It's been a few slow days for this but now i have a couple of updates:

Commit Message: New PlantState called Dead for when the plant ... dies! There wasn't a way to do that before. 

That meant that if you over watered or over exposed the plant it would stay "Wilting" instead of just letting you continue and plant a new plant.

Watering and Illuminating Plants "feeds" them if the amount of each of them is in the correct section, the plant will grow if it's too much or too little the plant will wilt away and eventually die. 

Which brings me to the second half of this update.

Commit Message: PotPlanter now reacts to the value of the resource tracked. It will be the right colour if the resource is within the correct values for the plant it holds.

The Plant's pot planter now changes colour depending on the correct amount of water or light it currently has vs what the plant needs. It still needs loads of work to be more intuitive, but Hey! Now you know something's wrong.