Make RenderUnit require IFacing; RenderSimple can be used for crates, mines, etc; fix husk facing init

mods/cnc/rules/system.yaml

@@ -190,7 +190,7 @@ CRATE:
 		SelectionShares: 2
 		NoBaseSelectionShares: 9001
 		Unit: mcv
-	RenderUnit:
+	RenderSimple:
 	BelowUnits:
 
 mpspawn:
@@ -199,4 +199,4 @@ mpspawn:
 
 waypoint:
 	Waypoint:
-	RenderEditorOnly:
+	RenderEditorOnly:

mods/ra/rules/defaults.yaml

@@ -267,11 +267,12 @@
 		Types:Tree
 
 ^Husk:
+	Husk:
+	RenderUnit:
 	Health:
 		HP: 140
 	Armor:
 		Type: Heavy
-	Husk:
 	Selectable: 
 		Priority: -1
 	HiddenUnderFog:

mods/ra/rules/system.yaml

@@ -205,7 +205,7 @@ MINP:
 		AvoidFriendly: yes
 	Health:
 		HP: 1
-	RenderUnit:
+	RenderSimple:
 	BelowUnits:
 	InvisibleToEnemy:
 	Tooltip:
@@ -220,7 +220,7 @@ MINV:
 		AvoidFriendly: yes
 	Health:
 		HP: 1
-	RenderUnit:
+	RenderSimple:
 	BelowUnits:
 	InvisibleToEnemy:
 	Tooltip:
@@ -283,7 +283,7 @@ CRATE:
 	GiveUnitCrateAction@4tnk:
 		SelectionShares: 3
 		Unit: 4tnk
-	RenderUnit:
+	RenderSimple:
 	BelowUnits:
 	ProximityCaptor:
 		Types:Crate