AI:
- AI prioritizes purchace path to highly desirable tiles
- AI prioritizes work boats, and creates work boats for close non-contiguous cities
- Workers try to build roads utilizing existing roads, and railroads overriding existing roads

Modding: UnitFilter allows TechFilter for unit's required tech

By SomeTroglodyte:
- Long press support
- Improve Alert Popup scrolling
- Fix vulnerability of new NationPickerPopup icon view
- Keyboard bindings - collision check