[WoT] Public Test of 0.9.1

Give your feedback on the 0.9.1 update that is being publicly tested these days.

Main things to pay attention to:

1. Performance and stability
2. New Map: Kharkiv
3. Marks of Excellence on barrels
4. Reworked matchmaking for light tanks tier IV-VII. Rebalanced MT-25 and VK 28.01
5. Increased visibility for TDs after firing
6. Two new Historical Battles added: Bryansk Front (USSR, 1942) and Siege of Tobruk (North Africa, 1942).