Default modelscale to 1 explicitly

This allows scaling with ctrl+mousewheel in hammer++

fgd/bases/BaseEntityAnimating.fgd

@@ -45,7 +45,7 @@
 	skin[engine](integer) : "Skin" : 0
 	modelskin[engine](integer) : "Model Skin" : 0 : "Alternate keyvalue for setting the current skin."
 
-	modelscale(float) : "Model Scale" : : "A multiplier for the size of the model. Negative values are accepted. Does not alter the physics collisions in most cases, however. Negative values can crash the game!"
+	modelscale(float) : "Model Scale" : 1.0 : "A multiplier for the size of the model. Negative values are accepted. Does not alter the physics collisions in most cases, however. Negative values can crash the game!"
 
 	playbackrate[complete](float) readonly: "Playback Rate" : 1.0 : "Exists, but is immediately set to 1.0 on spawn."
 	cycle[engine](float) : "Cycle" : 0.0 : "Internal variable storing the current progress through the animation, 0-1."

fgd/bases/BaseEntityPhysics.fgd

@@ -30,7 +30,7 @@
 	shadowcastdist(integer) : "Shadow Cast Distance" : : "Sets how far the entity casts dynamic shadows, in units. 0 means default distance from the shadow_control entity."
 	disableshadows(boolean) : "Disable Shadows?" : 0 : "Prevent the entity from creating cheap render-to-texture/dynamic shadows."
 	disablereceiveshadows(boolean) : "Disable Receiving Shadows?" : 0 : "Prevents dynamic shadows (e.g. player and prop shadows) from appearing on this entity."
-	modelscale(float) : "Model Scale" : : "A multiplier for the size of the model. Negative values are accepted. Does not alter the physics collisions in most cases, however. Negative values can crash the game!"
+	modelscale(float) : "Model Scale" : 1.0 : "A multiplier for the size of the model. Negative values are accepted. Does not alter the physics collisions in most cases, however. Negative values can crash the game!"
 
 	// These exist, but may not be usable.
 	skin[engine](integer) : "Skin" : 0