3D Physics and Other Stuff

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-New Vehicle (Based on Bullet's RaycastVehicle) - Vehiclebody/VehicleWheel. Demo will come soon, old vehicle (CarBody) will go away soon too.
-A lot of fixes to the 3D physics engine
-Added KinematicBody with demo
-Fixed the space query API for 2D (demo will come soon). 3D is WIP.
-Fixed long-standing bug with body_enter/body_exit for Area and Area2D
-Performance variables now includes physics (active bodies, collision pairs and islands)
-Ability to see what's inside of instanced scenes!
-Fixed Blend Shapes (no bs+skeleton yet)
-Added an Android JavaClassWrapper singleton for using Android native classes directly from GDScript. This is very Alpha!

SConstruct

@@ -205,8 +205,9 @@ for p in platform_list:
 
 	flag_list = platform_flags[p]
 	for f in flag_list:
-		env[f[0]] = f[1]
-		print(f[0]+":"+f[1])
+		if not (f[0] in ARGUMENTS): # allow command line to override platform flags
+			env[f[0]] = f[1]
+			print(f[0]+":"+f[1])
 
 	env.module_list=[]