Map: Oil Rig or Oilrig

[Repinuj]

The desert variant of the oil rig is named 'Desert Oilrig'. The western seas appears to have a regular variant, named 'Oil Rig'. One should be changed, so the way of spelling it is consistent.

[Kandarin]

Sure, it's "Desert Oil Rig" now.

Funnily enough, superheavies weren't spawning correctly at Desert Oil Rigs because I'd assumed this spelling when laying out superheavies. They should work now.