Adds another AI sprite
Merge branch 'dev' of https://github.com/Baystation12/Baystation12 into working
Remaps power stations
 - Also fixes a typo in the previous AI commit.
Removes errorous step_y references.
Map fixes
Merge branch 'dev' of https://github.com/Baystation12/Baystation12 into working

Conflicts:
	nano/images/nanomap_z1.png
Merge
Merge pull request #6637 from Gamerofthegame/mapwork

Map update - Powerstations and more!