visual fixes
Merge branch 'master' of https://github.com/khhle/Stalingrad

Conflicts:
	Assets/Prefabs/German_unit/unit_GBomber.prefab
	Assets/Prefabs/German_unit/unit_GPanzer.prefab
	Assets/Prefabs/Rus_unit/unit_RBomber.prefab
	Assets/Prefabs/Rus_unit/unit_RT28.prefab