Armor thickness being displayed for supply storages

The armor display widget is showing front, side, rear and top armor thickness for supply storage stockpiles.

I was testing svn ver 3107.

Does this in MG too, and its because storages have directional armour. It is a bit odd in that it doesn’t refer to armour / penetration like on other units, but removing it will rob new players of the information.

I’ll let Nemo decide.