Feature Request: Replays at x0.5 speed

Suggestion to cycle through the replay speed: x1 x2 x4 x0.5

Why:
Often times what happens in an attack is hard to see because so much is going on at the same time. Particles obscure view and screen shake confuses the clarity even further. Going back to watch an attack multiple times while focussing on different parts of the attack is very common because of this, but also tedious at times.

The fun:
Setting speed to half makes it much easier to follow what happens during an exciting part of an attack. This is fun for people when they see their defenses blowing up an army in slow motion. This is also benificial to people watching replays when analysing a base during war. For YouTubers this gives them an extra tool to explain attacks (PowerBang, Ashlain, etc.) or as part of their story script (Cam, Molt, etc.).