WaypointManager is no longer a Singleton, wrote waypoint API outline

I'm planning on giving each room it's own waypoint manager, so it can
compare it's waypoints against the characters in that room alone. If it
turns out to be a good pattern, I'll do thae same for monsters.

server/server_logic.cpp

@@ -105,7 +105,6 @@ void ServerApplication::Init(int argc, char* argv[]) {
 	characterMgr.SetDatabase(database);
 
 	roomMgr.SetLuaState(luaState);
-	waypointMgr.SetLuaState(luaState);
 
 	std::cout << "Internal managers initialized" << std::endl;
 
@@ -204,7 +203,6 @@ void ServerApplication::Quit() {
 	clientMgr.UnloadAll();
 	monsterMgr.UnloadAll();
 	roomMgr.UnloadAll();
-	waypointMgr.UnloadAll();
 
 	//APIs
 	lua_close(luaState);