Changes text on visceroid icon to 'Visceroid' instead of 'Viceroid'.
Merge pull request #4384 from reaperrr/visceroid-icon

Changes text on visceroid icon to 'Visceroid' instead of 'Viceroid'.
Add FieldLoader support for Size.
Sort asset browser list by filename.
Add limited Tmp(TS) support.

Supports basic tile data, but not z or extra data.
Support rectangular tiles.
Replace the placeholder tile.
Add three additional spawn points
Update changelog.
Fall back to square tiles for the editor.
Merge pull request #4391 from pchote/rectangular-tiles

Add support for TS terrain sprites and non-square cell sizes.
InitialAltitude is now part of CenterPositition in Lua, too

followup of #4371
don't crash on empty orders
recreated GDI01 in Lua
Disable Move OT if the Move order is rejected.
use the original hovercraft art
move legacy map import into the command line utility

because of #4368
selectable maps by default
automatically fix open areas in legacy maps

and don't hard-code the tiles no more
TEMP GDI02