Graduate lookAt up to Entity

Signed-off-by: Chris Sanders <zidane@spongepowered.org>

src/main/java/org/spongepowered/api/entity/Entity.java

@@ -328,6 +328,13 @@ public interface Entity extends Identifiable, HoverEventSource<HoverEvent.ShowEn
         return !optional.isPresent() || !optional.get();
     }
 
+    /**
+     * Makes the entity look at the specified target position.
+     *
+     * @param targetPos Position to target
+     */
+    void lookAt(Vector3d targetPos);
+
     /**
      * {@link Keys#DISPLAY_NAME}
      *

src/main/java/org/spongepowered/api/entity/living/Living.java

@@ -31,7 +31,6 @@ import org.spongepowered.api.entity.Entity;
 import org.spongepowered.api.entity.attribute.Attribute;
 import org.spongepowered.api.entity.attribute.AttributeHolder;
 import org.spongepowered.api.item.inventory.ItemStackSnapshot;
-import org.spongepowered.api.projectile.source.EntityProjectileSource;
 import org.spongepowered.api.scoreboard.TeamMember;
 import org.spongepowered.math.imaginary.Quaterniond;
 import org.spongepowered.math.vector.Vector3d;
@@ -164,13 +163,6 @@ public interface Living extends AttributeHolder, Entity, TeamMember {
         return this.requireValue(Keys.WALKING_SPEED).asMutable();
     }
 
-    /**
-     * Makes the entity look at the specified target position.
-     *
-     * @param targetPos Position to target
-     */
-    void lookAt(Vector3d targetPos);
-
     /**
      * Converts the {@link Living}'s head rotation into a quaternion direction unit vector.
      *