guiScreenWillChange fires on changes to F4 interfaces screen
Add ship.energyRechargeRate read-only parameter
ship.energyRechargeRate now gives final rate for player ship (i.e. including energy units)
Add legalPenalty key to the entries in the station.market dictionary
Sort savegame list alphabetically
Mission screens which don't allow interruptions from status screens now don't allow undocking interruptions either.
Merge branch 'master' of github.com:OoliteProject/oolite