Updated MiniStation with the new mining features.
Fixes the areas' icons in the map editor from being buggy.
Removed some areas in MiniStation which reached into space.
Removed the set to the area's dir, which didn't always fix the map editor.
Moved the assigning of the blend mode variable, for the areas, to its constructor to fix the map editors' messed up areas.
Merge pull request #2830 from Giacom/master

Updated MiniStation with the new mining features.