Updated some spaceport documentation and RPCs
Updated pod for spaceport
Minor changes
New method of generating starmap
Obtained ore type for each planet type
Tweaks
Tidying up starmap generation
Parameterised to allow it to generate smaller maps
Start to add code to update database
Zones now join up left/right and top/bottom
Can now add lacunan home world
Create empire is beginning to work
Changed some Empire API calls
sorted out inconsistencies in the /empire API calls
Updates to Empire API and docs