no modifier tips for 0 strength modifiers
Add saving for pending actions
soccer stadium sprites + remove modifier tips on scroll & zoom
Fix stats window not having max-height set.
Add some info for fixing & reporting issues in the about page.
Switch event listeners for opening about window to be assigned as soon as possible.
Stadium modifiers
Reset pending actions on load.
Fix bug with the previous city id persisting through loads.
Initial soccer stadium values
add soccer stadium icon
tweak build times a little
Rebuild
Reset pending actions before loading saved ones
Tidy fullscreen popup css
rebuild