Hotfix for missing assets in the previous release

Technical:
-Added error checking line to SQL code

Units:
-Reworked Horseman and Armored Horseman for all cultures
-Brazil, America, Australia, Canada set to look like their pre-colonial ancestors
-Rome has unique look of Horseman and Armored Horseman
-Japan has Zero model for Fighter unit. Dive animation for attack ground will be reworked in next release.
-Minor fixes to Axe Thrower

Bugs:
-Tested most units and everything seems to work fine.
-Some North American and South American head assets disappeared when building the mod for non-GS users, but the resulting issues are slightly noticeable. We will look for a fix with next release.

Hotfix for previous version. New units work without GS expansion.
Armored Assault Addon remains to be fixed. Only icons missing. Units are functional.

Changes 29 Apr:

-Scaling fix for Field Howitzer

-Complete rework of Leopard 2 - Different Tints for Germany, European and Mediterranean. Carthage has vanilla tank.
Abrahms model added for Japan, Korea.
All modern armor rescaled to fit.

-Complete rework of Axe Thrower unit across civs and cultures.
Renamed Axe Thrower to Javelineer.
Renamed Javelineer to Psiloi.
Changed Isijuls Warrior to upgrade to Javelineer.

-Many new assets in WE Modbudyy project.

-Renamed Deliverators Ship of the Line to First Rate, changed it to replace Ship of the Line, be a Naval Bombard unit and moved it to Astronomy.

Changed Australian Modern Armor to M1A1 Abrams.
Updated Armored Infantry for new vehicle colours.
Updated Modern Infantry and Mechanized Infnatry for new colours.
Reduced AAV7A1 (Modern Marine) scale to 0.9.
Updated Modern Armor CV.
Updated Helicopter CV.
Updated Ironclad CV.
Updated Missile Cruiser CV.
Units_Bins changes: added various assets and changed some scale parameters
Unit WW1 inf - changed scales
Unit AT rifle - chaged scales
Unit Field Gun - changed scales
Unit Mounted Rifles - added memmber type and chaged number of members to 3, 2 lancers, 1 rifle
Member types chaged: WW1 Infantry, Fiedl Gun, AT Rifle, WW1 Machine Gun, Mounted Rifles, added Mounted Rifles_Lance
Made edits to Riflemen, not final
Added WW1 Tints
Added back USE_CIVCOLOR
Units xlp : added two machine guns "tintable" assets - ammo and gunner
Added the above to Unit_Bins under WW1 Machine gun
Changed most of the Armors and tintint for WW1 machine gun UnitMember
Added WW1_Artillery and ArtilleryDefender to Unit Bins Armor
Added WW1_Artillery to Unit Bins Hats
Added Artillery and ArtilleryDefender to UnitMembers
Reworked culture groups and civs in Unit Bins for WW1_Artillery hats and armor
Updated WW2 Field Howitzer to use new vehicle colours and made them tintable.
Updated modern machine gun to use new Infantry colours.
Updated modern mortar to use new Infantry colours.
Updated mortar to use new Infantry colours.
Updated Landship to use new vehicle colours and made them tintable.
Added UnitMember ArtilleryDefender_WW2 for the Field Howitzer, becasue it was taking the one from WW1 (same name in the WE artdef)
Added A7V WW1 tank as Landship CV for Germany, Hungary and Ottoman.

Fixed typo

Changed Line Infantry and Mech Infantry to use less models for low spec users.
Updated korean text files.
Added German text by Sincius.
Added S&T:UU compatability.
Added GS UU compatability.
Droped mod load order to 1 or 2 so it will load before S&T:UU.
Removed fighter scaling from units.artdef so it is normal size now.

Added Naval Raider unit thanks to KrumStrashni.
Added some missing resource requirements.

Fixed duplicate Cuirassier models in GS (I think)?
Updated Modern Marine for new vehicle colours.
Updated Armored Horseman for new team colours.
Updated Line Infantry for new team colours.

Worked on resources for GS some more thanks to KrumStrashni.
Added Korean Text thanks to nut9931.
Removed the now redundant custom cultural groups and replaced them with the new civ specific tags in artdefs.
Renamed cultural variation tags to be the current ones that Firaxis changed in artdefs.
Added support for the new cultural variation tags in artdefs.