Resized the carthaginian trade ship. Tweaked its texture color. Added cargo prop.

This was SVN commit r9966.

binaries/data/mods/public/art/actors/props/structures/carthaginians/merchantship_cargo.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<actor version="1">
+  <castshadow/>
+  <group>
+    <variant>
+      <mesh>props/kart_merchant_ship_cargo.dae</mesh>
+      <texture>structural/kart_struct.dds</texture>
+    </variant>
+  </group>
+</actor>

binaries/data/mods/public/art/actors/structures/carthaginians/merchant_ship.xml

@@ -6,8 +6,8 @@
     <variant>
       <mesh>structural/kart_merchant_ship.dae</mesh>
       <props>
-        <prop actor="props/units/weapons/arrow_front.xml" attachpoint="projectile"/>
         <prop actor="props/structures/carthaginians/merchant_ship_sail.xml" attachpoint="root"/>
+        <prop actor="props/structures/carthaginians/merchantship_cargo.xml" attachpoint="root"/>
       </props>
       <texture>structural/kart_merchant_ship.png</texture>
     </variant>