Bugfix: improved control on building placement

Improvement: Minor cosmetic changes to truck and factory windows

Balance: added new items

Bugfix: deletion of roads out of town is now correctly handled

Bugfix: minimap not showing resources under some conditions, solved

Improvement: reloading the same map takes ~40% less time now

Feature: Factories can highlight related factories (same type, dependencies, and consumers)

Balance: changes to research bonuses and prerequisites

Bugfix: many smaller bugfixes

Bugfix: science consumption failing under some specific cases, fixed

Improvement: market graph now with colors

Improvement: truck miniwindow is shown when the truck window is closed

Improvement: items now alphabetically sorted in market and production menus

Improvement: many efficiency improvements

Improvement: adding translations (WIP)

Bugfix: corrected time of day

Bugfix: corrected problem in resource generation

Improvement: improved truck routing for imported items