(WIP 2) Tweak heatshield aero parameters

For #107.

Author: Robin Chang

GameData/SDHI/Service Module System/Parts/SDHI_2.5_Heatshield/part.cfg

@@ -18,6 +18,7 @@ PART
 	node_stack_bottom = 0.0, -0.125, 0.0, 0.0, -1.0, 0.0, 2
 	CoPOffset = 0.0, 1.1, 0.0
 	CoLOffset = 0.0, -0.36, 0.0
+	CoMOffset = 0.0, 0.075, 0.0
 
 	TechRequired = advLanding
 	entryCost = 1000
@@ -28,19 +29,15 @@ PART
 	manufacturer = Sum Dum Heavy Industries Co., Ltd 
 	description = Designed for use with Kerlington's Mk1-2 Command Pod, this aftermarket heat shield consists of several ablative PICA-X tiles mounted on a conformal carbon fibre carrier and an internal metal skeleton support, permitting multiple uses before replacement.
 	tags = ablat drag entry insulate protect re- rocket therm
-	
 	attachRules = 1,0,1,0,1
-	
 	mass = 0.45
-	CoPOffset = 0, 0.15625, 0
-	CoLOffset = 0, -0.125, 0
 	dragModelType = default
 	maximum_drag = 0.2
 	minimum_drag = 0.2
 	angularDrag = 2
-	crashTolerance = 45
 	breakingForce = 280
 	breakingTorque = 280
+	crashTolerance = 45
 	maxTemp = 3400
 	PhysicsSignificance = 0
 	bulkheadProfiles = size2