Renamed ArrowEntity->Arrow to be consistent.

src/main/java/org/bukkit/craftbukkit/CraftArrow.java

@@ -0,0 +1,15 @@
+package org.bukkit.craftbukkit;
+
+import org.bukkit.Arrow;
+import net.minecraft.server.EntityArrow;
+
+/**
+ * Represents an arrow.
+ * 
+ * @author sk89q
+ */
+public class CraftArrow extends CraftEntity implements Arrow {
+    CraftArrow(CraftServer server, EntityArrow entity) {
+        super(server, entity);
+    }
+}

src/main/java/org/bukkit/craftbukkit/CraftArrowEntity.java

@@ -1,15 +0,0 @@
-package org.bukkit.craftbukkit;
-
-import org.bukkit.ArrowEntity;
-import net.minecraft.server.EntityArrow;
-
-/**
- * Represents an arrow.
- * 
- * @author sk89q
- */
-public class CraftArrowEntity extends CraftEntity implements ArrowEntity {
-    CraftArrowEntity(CraftServer server, EntityArrow entity) {
-        super(server, entity);
-    }
-}

src/main/java/org/bukkit/craftbukkit/CraftWorld.java

@@ -8,7 +8,7 @@ import net.minecraft.server.WorldGenBigTree;
 import net.minecraft.server.WorldGenTrees;
 import net.minecraft.server.WorldServer;
 import net.minecraft.server.EntityArrow;
-import org.bukkit.ArrowEntity;
+import org.bukkit.Arrow;
 import org.bukkit.Block;
 import org.bukkit.Chunk;
 import org.bukkit.Location;
@@ -79,13 +79,13 @@ public class CraftWorld implements World {
         return world;
     }
 
-    public ArrowEntity spawnArrow(Location loc, Vector velocity, float speed,
+    public Arrow spawnArrow(Location loc, Vector velocity, float speed,
             float spread) {
         EntityArrow arrow = new EntityArrow(world);
         arrow.c(loc.getX(), loc.getY(), loc.getZ());
         world.a(arrow);
         arrow.a(velocity.getX(), velocity.getY(), velocity.getZ(), speed, spread);
-        return new CraftArrowEntity(world.getServer(), arrow);
+        return new CraftArrow(world.getServer(), arrow);
     }
     
     public boolean generateTree(Location loc) {