Another June and another series of great London festivals set to unfold. One of the greatest draws of living here in this other London – the many festivals that dominate the summer parks and outdoor spaces. My DD – 5 – and I hit the 19th Annual London International Children’s Festival yesterday on its final day. My daughter, as always, enjoyed it, but I have to say this year although it’s still worth the trip I was even more disappointed than usual. And it wasn’t just me. Thriftymommastips talked to half a dozen other parents at the festival who all said the same thing: “I used to like it a…