Really do not create units outside native settlements this time.
Clean up addition and removal of native settlements.
Directory handling improvements allowing clean up of "Start Game" file.
Add documentation about mods.
Set layer in maps output from the editor.
Read maps more robustly.
Insist all native players are defined in maps.
Improve editor native nation requirements.
Improve map view mode handling, use Terrain mode in map editor.
Add foundColonyDuringRebellion game option.
Fix map editor movement, BR#2139.
More fixes for EditSettlementDialog.
Remove traceprint.
Fix crash in mod loading.
Give all natives at a settlement an initial mission.