Add a new open barrel variant with celt swords.

Fix barrel size.

This was SVN commit r22273.

binaries/data/mods/public/art/actors/props/special/eyecandy/barrel_a_celt_sword_heap.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<actor version="1">
+  <castshadow/>
+  <group>
+    <variant frequency="100" name="Base">
+      <mesh>props/wrld_barrel_a_empty.dae</mesh>
+      <props>
+        <prop actor="props/special/eyecandy/celt_sword_heap_01.xml" attachpoint="sword_heap_01" maxheight="20" minheight="-20"/>
+      </props>
+      <textures>
+        <texture file="props/celt_prop_1.png" name="baseTex"/>
+        <texture file="props/celt_prop_1_norm.png" name="normTex"/>
+        <texture file="props/celt_prop_1_spec.png" name="specTex"/>
+      </textures>
+    </variant>
+  </group>
+  <material>player_trans_parallax_spec.xml</material>
+</actor>

binaries/data/mods/public/art/actors/props/special/eyecandy/celt_sword_heap_01.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<actor version="1">
+  <castshadow/>
+  <group>
+    <variant frequency="1" name="Base">
+      <textures>
+        <texture file="props/prop_weap.dds" name="baseTex"/>
+      </textures>
+    </variant>
+  </group>
+  <group>
+    <variant frequency="1" name="Heap-01">
+      <mesh>props/celt_sword_heap_01.dae</mesh>
+    </variant>
+    <variant frequency="1" name="Heap-02">
+      <mesh>props/celt_sword_heap_02.dae</mesh>
+    </variant>
+  </group>
+  <material>default.xml</material>
+</actor>