Fixed up the errors (actually from a long time ago, but didn't get
properly saved I guess) with mining in UD Corridors.
Merge branch 'Aric_5' of https://github.com/ZavaStudios/SeniorCapstone into Aric_5
Merge branch 'Aric_5' of https://github.com/ZavaStudios/SeniorCapstone into Aric_5