now compatible with new industries

bugfixes

Added Capacity adjustments to provide easier loads in large urban projects

Added Building icons and fixed industry crash

Calm your tits the error is fixed

Some fixes

v3.1

-fixed when assets are nil bug

-fixed most bugs
--including capacity bugs
-added building options
--assets
--lot sizes
--level ground
-better ordering
-better in general

- Added Categories for building type
- Added Order in menue depending on era the building is from