New Maps

-Added Updated/Balanced version of Doubles
-Added "Singles," 1v1 version of Doubles
-Added "Synergy," 3v3 Ground, Naval, and Air
Add port of scg04wa mission
Add port of scg04wb mission
Map fixes

-Fixed/balanced "Man to Man" 1v1 map.
-Made minor alterations to "Singles" 1v1 map.
fix broken random tiles in map editor for RA snow tileset
add unused sprites to rv05 tile
remove tile templates for non-existing sprites
Small Polish: Adds voices for aircraft's stop-orders
Merge pull request #5453 from Kanar/AirStopVoices

Small Polish: Adds voices for aircraft's stop-orders
Merge pull request #5420 from NukemBro/bleed

New Maps
Merge pull request #5462 from obrakmann/gdi04

Add remaining alternative gdi04 missions
Merge pull request #5447 from Mailaender/pickany-snow

Fixed broken random tiles in map editor for RA snow tileset