Changelist for build 48 of Grid12:
- Save items (eg. protomodules) in the database for up to 24 hours
- Add per-item popup menu with delete option
- Make each level of protomodule twice as rare as the level below it
- Reduce small fort protomod drop rate to 25%
- Add enemy convoy: antimatter tanker
- Revamp prism indicator
- Try some different colors for trigger buttons
- Lengthen chat fadeout time to 12.5 seconds
- Fix bug where new enemy icons were not displayed until after a zoom
- Fix bug where clicking an affordable but unpurchased tank outside of a town seemed to buy the tank
- Fix typos in Phantom and Hornet trigger tooltips
- Fix tank rendering in the tank menu
- Spawn up to four supertanks at each cross building