Add buildings
Add to index
More building work
Merge branch 'master' into fredley
Sort out intersection of buildings
Add housing cost to buildings
Add building drawing
Sort out settlements tab
Save/loading of settlements
Remove init
Display list and grid implemented
Drawing of structures in settlements added
Building placement GUI done
Building in settlements implemented
More helpful error messages when building
Improved settlement display
Implement missing contains String prototype
Show blocks in settlement screen
Add in build call for new buildings
Add alerts when building