updated readme

Signed-off-by: Adam McNicol <adam@mcnicol.me>
updating of missing images

Signed-off-by: Adam McNicol <adam@mcnicol.me>
Merge branch 'production'

Signed-off-by: Adam McNicol <adam@mcnicol.me>

Conflicts:
	README.md
	images/Cow/cow.pxm
	images/Cow/cow_baby.png
	images/Cow/cow_baby.pxm
	images/Cow/cow_mature.png
	images/Cow/cow_mature.pxm
	images/Cow/cow_old.png
	images/Cow/cow_old.pxm
	images/Cow/cow_young.png
	images/Cow/cow_young.pxm
	images/Sheep/sheep.pxm
	images/Sheep/sheep_baby.png
	images/Sheep/sheep_baby.pxm
	images/Sheep/sheep_mature.png
	images/Sheep/sheep_old.png
	images/Sheep/sheep_old.pxm
	images/Sheep/sheep_young.png
	images/Sheep/sheep_young.pxm
	images/Wheat/wheat_mature.png
	images/Wheat/wheat_mature.pxm
	images/Wheat/wheat_old.pxm
	images/Wheat/wheat_seed.png
	images/Wheat/wheat_seedling.png
	images/Wheat/wheat_seedling.pxm
	images/Wheat/wheat_young.png
	images/Wheat/wheat_young.pxm
	images/Wheat/wheet_seed.pxm
	images/field_background.pxm
	images/potato/potato_mature.png
	images/potato/potato_mature.pxm
	images/potato/potato_old.png
	images/potato/potato_old.pxm
	images/potato/potato_seed.png
	images/potato/potato_seed.pxm
	images/potato/potato_seedling.png
	images/potato/potato_seedling.pxm
	images/potato/potato_young.png
	images/potato/potato_young.pxm
	images/seed.pxm
additional testing

Signed-off-by: Adam McNicol <adam@mcnicol.me>