Improve and tweak the interface elements of PrUn website
Small quality of life improvements to the PrUn website, making it easier to use.
Some of the features:
- Show the price per unit for local market ads
- Show the ETA of ships as actual date-time
- Show the ETA in flightplan as actual date-time
- Show the production order completion as actual date-time
- Show price per shipload for shipping ads
- Limit long user names in chat to 12 chars
- Show price per unit when posting local market ads
- Sort inventories by material code
- Change LM Post button to the type of ad