New upstream version 2.8.0.2 (rhbz#1543419)
      * Fixed crash on 32 bit system when more than 32 terrain bits
        were defined
      * Add safety checks for graphics allocation errors of big maps
      * Prevent duplicate objects from being shown on object
        construction/removal
      * New unit cost formula for PBP
      * New terrain type: Concrete
      * Fixed some crashes