New Map, Holiday Bundle, and Balance Changes — STUG Steam update #11504

+ New Map: Icebreaker (Conquest) + New Bundle: Holiday Bundle * P-70 Serf: Updated side armor * CY-76 Longbow: Updated side armor * M4 Jumbo: Turn Force 62N⋅m -> 56N⋅m, Turret Speed 37°/s -> 26°/s * SI-2 Tsar: Turn Force 68N⋅m -> 59N⋅m, Turret Speed 34°/s -> 24°/s * Panthera: Turn Force 68N⋅m -> 60N⋅m, Turret Speed 47°/s -> 41°/s * Tigress I: Turn Force 56N⋅m -> 51N⋅m, Turret Speed 34°/s -> 32°/s * Queen Tigress: Turn Force 62N⋅m -> 53N⋅m * Hefty Mk. 1: Turn Force 74N⋅m -> 68N⋅m, Turret Speed 36°/s -> 34°/s * C3 Half-Track: Reload 3.5s -> 3.9s, Engine Reverse 120hp -> 108hp * Increased XP for winning a game to 2500 * Increased XP for a point being captured to 400 * Landmines now despawn after 2 minutes * Increased bot amount in Conquest * Changed bot behavior in Conquest * Increased guest game XP cutoff to rank 25