Fix stone bag throwing stone bags

Added stone and stone bag to bombs - grenades group

Author: garethyr

Data/Ronin.rte/Devices/Misc/Stone/Stone.ini

@@ -6,6 +6,7 @@ AddDevice = ThrownDevice
 	PresetName = Stone
 	Description = Throwable stone.  This is the cheapest weapon in the Ronin arsenal, yet very effective because of its long range.  The stone can be picked up after throwing for another go in case it didn't break.
 	AddToGroup = Bombs
+	AddToGroup = Bombs - Grenades
 	Mass = 1.5
 	RestThreshold = -500
 	HitsMOs = 1
@@ -99,6 +100,7 @@ AddDevice = ThrownDevice
 	PresetName = Stone Bag
 	Description = A handful of throwable stones. These are the cheapest weapon in the Ronin arsenal, but surprisingly effective because of their long range. Stones can be picked up after throwing, if they didn't break on impact.
 	AddToGroup = Bombs
+	AddToGroup = Bombs - Grenades
 	Mass = 8
 	RestThreshold = -500
 	HitsMOs = 1
@@ -115,7 +117,7 @@ AddDevice = ThrownDevice
 	AddCustomValue = NumberValue
 		BandolierMass = 0.5
 	AddCustomValue = NumberValue
-		IsThrownDevice = 1
+		GrenadeIsThrownDevice = 1
 	SpriteFile = ContentFile
 		FilePath = Ronin.rte/Devices/Misc/Stone/Stone.png
 	IconFile = ContentFile