blinking ready checkbox when all slots are taken
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.
Initial support for individual unit upgrade crates
Update CHANGELOG
InitialAltitude is now part of CenterPositition in Lua, too

followup of #4371
don't crash on empty orders
recreated GDI01 in Lua
Disable Move OrderTargeter if the Move order is rejected.
use the original hovercraft art
remove redundant MissionIsOver check in Tick
add libmono-winforms2.0-cil dep for debian/ubuntu
Merge pull request #4395 from Mailaender/lua-reinforce-fix

Fixed NLua.Exceptions.LuaScriptException: [string "mods/common/lua/openra.lua"]:9