v1.0.2
* Fixed the any-terrain buildings not offering an upgrade to the next
  tier: Farm -> Irrigated Farm -> Greenhouse -> Greenhouse II now works
  with the upgrade tool, same as the vanilla chain.

v1.0.1
* The 4 new buildings and their research nodes now show the same icon
  as the matching vanilla building in the build toolbar and research
  tree (previously showed a placeholder icon).

v1.0.0
* Initial release.
* Adds any-terrain versions of Farm, Irrigated Farm, Greenhouse and
  Greenhouse II. +250 Dirt build cost each, harvest works normally
  everywhere.
* Adds a matching research node behind each original, same research
  cost as the original.
