Merge remote-tracking branch 'origin/master' into havok

Conflicts:
	src/GameWorld.cpp
	vs11/Returngeance/Returngeance.vcxproj.filters

src/World.cpp

@@ -78,14 +78,16 @@ bool World::ValidEntity(EntityID entity)
 
 void World::RemoveEntity(EntityID entity)
 {
-	m_EntitiesToRemove.insert(entity);
-	for (auto pair : m_EntityParents)
+	auto it = m_EntityChildren.find(entity);
+	if (it != m_EntityChildren.end())
 	{
-		if (pair.second == entity)
+		for (auto entity : it->second)
 		{
-			m_EntitiesToRemove.insert(pair.first);
+			m_EntitiesToRemove.insert(entity);
 		}
 	}
+
+	m_EntitiesToRemove.insert(entity);
 }
 
 void World::ProcessEntityRemovals()