Cadian Gate mod 0.57 Ironfist Birthday edition

New Doctrine (Artillery Doctrine, Bayonet charge)
New Models (Hellhound, Griffon, Basilisk, Leman Russ, Leman Russ Demolisher, Valkyrie, Mines field)
New units (Basilisk)
Sentinel (only one by Squad)
Improved Models (Building, Vulture)
Paratrooper drop animation
Little UI change (All doctrine visible from start, Ork pop help icon)
New icons for building (Make by Gaz-1)
Balance (Air Support vehicle, Doctrine values, Tank, Many weapons)
AI now use Doctrine better
Kill the Waaagh banner message bug
Added a new separate "exploration" version (with more doctrine points)