http://uk.ign.com/articles/2013/06/25/microsoft-on-halo-5-halo-2-anniversary I don't get why this is so hard to believe - the trailer doesn't say 'Halo 5' or even indicate that it's a game. Did people not watch E3 - the stage show announcement was the television series; Halo 5 hasn't been announced. We all know it's…